現階段(duan),我(wo)國(guo)已(yi)(yi)(yi)經(jing)(jing)開(kai)始在混(hun)(hun)凝(ning)土中(zhong)使用(yong)(yong)(yong)(yong)了(le)大量的(de)(de)機(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha),不過機(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)所具有的(de)(de)下述缺點(dian)導致(zhi)其會(hui)對砂(sha)(sha)(sha)(sha)(sha)漿的(de)(de)工(gong)(gong)(gong)作性(xing)能(neng)產生(sheng)不利的(de)(de)影響：其一(yi)是(shi)(shi)(shi)顆(ke)粒(li)表(biao)面較(jiao)粗糙；其二(er)是(shi)(shi)(shi)尖銳多棱角；其三是(shi)(shi)(shi)級配(pei)不良等,因此,需要(yao)對機(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)在砂(sha)(sha)(sha)(sha)(sha)漿中(zhong)的(de)(de)應(ying)用(yong)(yong)(yong)(yong)進(jin)行深入地研究(jiu),人(ren)(ren)(ren)工(gong)(gong)(gong)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)是(shi)(shi)(shi)把山石和(he)(he)從河道(dao)挖取的(de)(de)河卵(luan)石通(tong)過沖(chong)擊(ji)式破碎機(ji)(ji)(ji)(ji)（又(you)稱(cheng)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)機(ji)(ji)(ji)(ji)）的(de)(de)處理(li)成(cheng)為(wei)(wei)適合(he)建筑使用(yong)(yong)(yong)(yong)的(de)(de)砂(sha)(sha)(sha)(sha)(sha)子。九十年(nian)代(dai),浙江省(sheng)已(yi)(yi)(yi)大規(gui)模使用(yong)(yong)(yong)(yong)機(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha),并制(zhi)(zhi)(zhi)訂了(le)相(xiang)關(guan)(guan)地方標準(zhun)(zhun),之(zhi)后云南(nan)、北(bei)京(jing)(jing)也(ye)出臺了(le)機(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)相(xiang)關(guan)(guan)標準(zhun)(zhun)和(he)(he)使用(yong)(yong)(yong)(yong)規(gui)程(cheng)。相(xiang)繼,京(jing)(jing)、渝(yu)、湘等地都有了(le)機(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)生(sheng)產線。人(ren)(ren)(ren)工(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)作為(wei)(wei)一(yi)種新型(xing)建設用(yong)(yong)(yong)(yong)砂(sha)(sha)(sha)(sha)(sha),在建筑行業(ye)中(zhong)已(yi)(yi)(yi)得到(dao)了(le)較(jiao)為(wei)(wei)廣泛(fan)的(de)(de)應(ying)用(yong)(yong)(yong)(yong),取得了(le)較(jiao)好的(de)(de)經(jing)(jing)濟效(xiao)益(yi)和(he)(he)社會(hui)效(xiao)益(yi),應(ying)用(yong)(yong)(yong)(yong)范(fan)(fan)圍(wei)也(ye)在逐(zhu)漸擴(kuo)大。從20世紀(ji)60年(nian)代(dai)起,我(wo)國(guo)開(kai)始了(le)對機(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)生(sheng)產工(gong)(gong)(gong)藝、技術性(xing)能(neng)、應(ying)用(yong)(yong)(yong)(yong)于混(hun)(hun)凝(ning)土和(he)(he)砂(sha)(sha)(sha)(sha)(sha)漿的(de)(de)研究(jiu),目前已(yi)(yi)(yi)取得了(le)相(xiang)當的(de)(de)成(cheng)果。摘要(yao)： 闡述了(le)人(ren)(ren)(ren)工(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)在今(jin)后施工(gong)(gong)(gong)生(sheng)產中(zhong)的(de)(de)可用(yong)(yong)(yong)(yong)性(xing),探討了(le)人(ren)(ren)(ren)工(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)的(de)(de)研發標準(zhun)(zhun),總結出采用(yong)(yong)(yong)(yong)人(ren)(ren)(ren)工(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)拌(ban)制(zhi)(zhi)(zhi)混(hun)(hun)凝(ning)土可能(neng)存在的(de)(de)問題及注(zhu)意(yi)事項,試驗結果表(biao)明(ming):采用(yong)(yong)(yong)(yong)人(ren)(ren)(ren)工(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)與天然砂(sha)(sha)(sha)(sha)(sha)混(hun)(hun)合(he)配(pei)置混(hun)(hun)凝(ning)土既能(neng)滿(man)足混(hun)(hun)凝(ning)土的(de)(de)各項性(xing)能(neng)要(yao)求,同時(shi)又(you)可以節約(yue)社會(hui)資(zi)源.4 1總則 1.0.1 為(wei)(wei)促進(jin)和(he)(he)規(gui)范(fan)(fan)機(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)在砂(sha)(sha)(sha)(sha)(sha)漿和(he)(he)混(hun)(hun)凝(ning)土中(zhong)的(de)(de)應(ying)用(yong)(yong)(yong)(yong)和(he)(he)發展,做到(dao) 技術先進(jin)、經(jing)(jing)濟合(he)理(li)、安全適用(yong)(yong)(yong)(yong),確(que)保工(gong)(gong)(gong)程(cheng)質量,制(zhi)(zhi)(zhi)定本規(gui)范(fan)(fan)。【條文說(shuo)明(ming)】由于天然砂(sha)(sha)(sha)(sha)(sha)資(zi)源日(ri)益(yi)匱乏,深圳地區巖石、尾礦機(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi) 砂(sha)(sha)(sha)(sha)(sha)在預(yu)(yu)拌(ban)砂(sha)(sha)(sha)(sha)(sha)漿、預(yu)(yu)拌(ban)混(hun)(hun)凝(ning)土中(zhong)已(yi)(yi)(yi)經(jing)(jing)普遍(bian)應(ying)用(yong)(yong)(yong)(yong),國(guo)家(jia)標準(zhun)(zhun)《建設用(yong)(yong)(yong)(yong)砂(sha)(sha)(sha)(sha)(sha)》機(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)在預(yu)(yu)拌(ban)泵送混(hun)(hun)凝(ning)土中(zhong)應(ying)用(yong)(yong)(yong)(yong)的(de)(de)探討 短句來(lai)源 The experiment and engineering application of C60 high performance concrete with low cement content incorporated with machine-made sand and fly ash Ⅲ 機(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)和(he)(he)Ⅲ級粉煤灰配(pei)制(zhi)(zhi)(zhi)低水泥用(yong)(yong)(yong)(yong)量C60高性(xing)能(neng)

在(zai)試驗室(shi)設(she)計強度C100的(de)(de)(de)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)90天實(shi)(shi)際(ji)強度達到(dao)155Mpa。人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)可以廣泛應(ying)(ying)用(yong)在(zai)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)、砂(sha)(sha)(sha)(sha)(sha)(sha)漿(jiang)和(he)(he)制(zhi)(zhi)品(pin)中。據(ju)來自中國砂(sha)(sha)(sha)(sha)(sha)(sha)石(shi)協會的(de)(de)(de)信息表明,近(jin)年來我(wo)(wo)國砂(sha)(sha)(sha)(sha)(sha)(sha)石(shi)業整體保持(chi)穩定(ding)發(fa)(fa)展勢頭,天然砂(sha)(sha)(sha)(sha)(sha)(sha)石(shi)的(de)(de)(de)開(kai)采(cai)、使用(yong)得(de)到(dao)控制(zhi)(zhi),人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)(或機(ji)制(zhi)(zhi))砂(sha)(sha)(sha)(sha)(sha)(sha)石(shi)逐步進入市場,本文針(zhen)對(dui)人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)的(de)(de)(de)特(te)點,將(jiang)黃氏致密級配(pei)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)配(pei)合(he)(he)比(bi)設(she)計思想和(he)(he)簡易 體積法(fa)應(ying)(ying)用(yong)到(dao)人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)中去,克(ke)服人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)粗糙度大、含粉量高(gao)(gao)(gao)(gao)、級配(pei)不良(liang)等(deng)缺點,配(pei)制(zhi)(zhi)出高(gao)(gao)(gao)(gao)性(xing)(xing)能(neng)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu),應(ying)(ying)用(yong)到(dao)工(gong)(gong)(gong)(gong)(gong)程實(shi)(shi)際(ji),提出人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)在(zai)高(gao)(gao)(gao)(gao)性(xing)(xing)能(neng)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)中應(ying)(ying)用(yong)的(de)(de)(de)技術指標(biao)和(he)(he)應(ying)(ying)用(yong)建議。淺(qian)談混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)合(he)(he)砂(sha)(sha)(sha)(sha)(sha)(sha)在(zai)泵(beng)送(song)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)中的(de)(de)(de)應(ying)(ying)用(yong) 摘要(yao)(yao)：隨著天然河砂(sha)(sha)(sha)(sha)(sha)(sha)資源的(de)(de)(de)日(ri)益枯竭,采(cai)用(yong)人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)的(de)(de)(de)呼聲越(yue)來越(yue)高(gao)(gao)(gao)(gao),本文介(jie)紹采(cai)用(yong)宜(yi)(yi)賓細(xi)(xi)砂(sha)(sha)(sha)(sha)(sha)(sha)與(yu)卵石(shi)破碎(sui)出的(de)(de)(de)機(ji)制(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)按比(bi)例混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)合(he)(he)作為商品(pin)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)細(xi)(xi)集料,配(pei)制(zhi)(zhi)泵(beng)送(song)商品(pin)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)。在(zai)永川長江(jiang)大橋成功(gong)應(ying)(ying)用(yong),創造了(le)(le)一定(ding)的(de)(de)(de)經(jing)濟(ji)效(xiao)益。結果表明,混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)生 產中摻(chan)(chan)入人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)后,混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)各(ge)項(xiang)性(xing)(xing)能(neng)指標(biao)均達到(dao)或 超過(guo)普通混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu),完全滿足設(she)計和(he)(he)施工(gong)(gong)(gong)(gong)(gong)要(yao)(yao)求,從(cong)而也 第(di)1卷第(di)6期 楊(yang)宏鈺：機(ji)制(zhi)(zhi)人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)配(pei)置高(gao)(gao)(gao)(gao)性(xing)(xing)能(neng)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)在(zai)工(gong)(gong)(gong)(gong)(gong)程中的(de)(de)(de)應(ying)(ying)用(yong) 23 證明我(wo)(wo)們所研制(zhi)(zhi)的(de)(de)(de)機(ji)制(zhi)(zhi)人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)在(zai)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)生產中的(de)(de)(de)應(ying)(ying) 用(yong)這一課題取(qu)得(de)了(le)(le)機(ji)制(zhi)(zhi)人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)在(zai)預拌混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)中的(de)(de)(de)應(ying)(ying)用(yong) 盧偉杰(jie) (山(shan)東(dong)省冶(ye)金(jin)建設(she)開(kai)發(fa)(fa)公司,濟(ji)南 250101) 摘 要(yao)(yao) :通過(guo)對(dui)機(ji)制(zhi)(zhi)人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)應(ying)(ying)用(yong)背景分(fen)析,采(cai)用(yong)正交(jiao)試驗的(de)(de)(de)方法(fa)找出了(le)(le)人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)代(dai)替黃砂(sha)(sha)(sha)(sha)(sha)(sha)應(ying)(ying)用(yong)于混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)生產的(de)(de)(de)適宜(yi)(yi)摻(chan)(chan)量,并應(ying)(ying) 用(yong)于預拌混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)實(shi)(shi)際(ji)生產,取(qu)得(de)了(le)(le)良(liang)好(hao)的(de)(de)(de)經(jing)濟(ji)效(xiao)益和(he)(he)社會效(xiao)益 。根據(ju)國標(biao)規定(ding),凡經(jing)除(chu)土(tu)(tu)(tu)(tu)(tu)(tu)處理的(de)(de)(de)機(ji)制(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)、混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)合(he)(he)砂(sha)(sha)(sha)(sha)(sha)(sha)都(dou)統稱為人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)。機(ji)制(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)是由機(ji)械破碎(sui)、篩分(fen)制(zhi)(zhi)碭,粒徑(jing)小于4.75mm的(de)(de)(de)巖(yan)石(shi)顆粒,但不包(bao)括軟質巖(yan),風化巖(yan)石(shi)的(de)(de)(de)顆粒,混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)合(he)(he)砂(sha)(sha)(sha)(sha)(sha)(sha)是由機(ji)制(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)和(he)(he)天然砂(sha)(sha)(sha)(sha)(sha)(sha)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)合(he)(he)制(zhi)(zhi)成的(de)(de)(de)砂(sha)(sha)(sha)(sha)(sha)(sha)。這里,混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)合(he)(he)物砂(sha)(sha)(sha)(sha)(sha)(sha)沒有規定(ding)混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)合(he)(he)比(bi)例,只要(yao)(yao)求能(neng)滿足混(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)各(ge)項(xiang)性(xing)(xing)能(neng)的(de)(de)(de)需要(yao)(yao)。

1、堅固性與耐久性試驗。機(ji)制(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)的(de)(de)(de)(de)(de)(de)堅固性能比河砂(sha)(sha)(sha)(sha)(sha)(sha)稍差,但(dan)仍然(ran)達到(dao)GB/T 141684293標(biao)(biao)準的(de)(de)(de)(de)(de)(de)優等(deng)品指標(biao)(biao),在(zai)普通混(hun)(hun)凝(ning)土(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)使(shi)用(yong)(yong)(yong)不(bu)(bu)存在(zai)問(wen)題。但(dan)在(zai)經常(chang)遭(zao)受(shou)摩擦(ca)沖擊的(de)(de)(de)(de)(de)(de)混(hun)(hun)凝(ning)土(tu)(tu)(tu)(tu)(tu)(tu)構件(jian)中(zhong)(zhong)使(shi)用(yong)(yong)(yong),除(chu)必(bi)須摻(chan)用(yong)(yong)(yong)外加劑,還(huan)應(ying)控制(zhi)(zhi)混(hun)(hun)凝(ning)土(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)(de)灰砂(sha)(sha)(sha)(sha)(sha)(sha)比和砂(sha)(sha)(sha)(sha)(sha)(sha)的(de)(de)(de)(de)(de)(de)壓碎(sui)指標(biao)(biao)與石(shi)(shi)(shi)(shi)粉含量,【摘要(yao)】：國(guo)家標(biao)(biao)準GB/T14684 -2001《建筑用(yong)(yong)(yong)砂(sha)(sha)(sha)(sha)(sha)(sha)》是(shi)(shi)在(zai)GB/T14684 -1993基礎上修(xiu)訂的(de)(de)(de)(de)(de)(de),已從(cong)2002年2月1日起開始實施。該標(biao)(biao)準將人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)定(ding)(ding)為(wei)建筑用(yong)(yong)(yong)砂(sha)(sha)(sha)(sha)(sha)(sha)之一,確定(ding)(ding)了人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)的(de)(de)(de)(de)(de)(de)定(ding)(ding)義、技術要(yao)求(qiu)(qiu)、檢驗方(fang)法(fa)。文中(zhong)(zhong)綜(zong)述了人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)的(de)(de)(de)(de)(de)(de)產(chan)(chan)生(sheng)背景、定(ding)(ding)義、分(fen)類、產(chan)(chan)品特(te)點、應(ying)用(yong)(yong)(yong) ...人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha),即由(you)巖(yan)(yan)石(shi)(shi)(shi)(shi)經除(chu)土(tu)(tu)(tu)(tu)(tu)(tu)開采,機(ji)械破(po)碎(sui),篩(shai)分(fen)而成(cheng)(cheng)的(de)(de)(de)(de)(de)(de),公稱(cheng)粒(li)徑小于5.00mm的(de)(de)(de)(de)(de)(de)巖(yan)(yan)石(shi)(shi)(shi)(shi)顆(ke)粒(li),人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)是(shi)(shi)機(ji)制(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)的(de)(de)(de)(de)(de)(de)俗(su)稱(cheng)。隨(sui)著國(guo)家經濟的(de)(de)(de)(de)(de)(de)迅速發(fa)展(zhan)(zhan),社會對(dui)(dui)混(hun)(hun)凝(ning)土(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)(de)需求(qiu)(qiu)量越來越大,對(dui)(dui)混(hun)(hun)凝(ning)土(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)(de)質量要(yao)求(qiu)(qiu)更(geng)是(shi)(shi)越來越高,然(ran)而作(zuo)(zuo)為(wei)混(hun)(hun)凝(ning)土(tu)(tu)(tu)(tu)(tu)(tu)生(sheng)可(ke)以作(zuo)(zuo)為(wei)人(ren)工(gong)(gong)(gong)(gong)制(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)的(de)(de)(de)(de)(de)(de)原材料有很(hen)多,一般有花崗(gang)巖(yan)(yan)、玄武(wu)巖(yan)(yan)、河卵(luan)(luan)石(shi)(shi)(shi)(shi)、鵝(e)卵(luan)(luan)石(shi)(shi)(shi)(shi)、石(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)、方(fang)解石(shi)(shi)(shi)(shi)、安山巖(yan)(yan)、流紋(wen)巖(yan)(yan)、閃長(chang)巖(yan)(yan)、輝綠巖(yan)(yan)、砂(sha)(sha)(sha)(sha)(sha)(sha)巖(yan)(yan)、尾礦、礦渣、石(shi)(shi)(shi)(shi)英石(shi)(shi)(shi)(shi)等(deng),不(bu)(bu)同的(de)(de)(de)(de)(de)(de)巖(yan)(yan)石(shi)(shi)(shi)(shi)制(zhi)(zhi)成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)在(zai)強度、粒(li)度上都有差異,相應(ying)的(de)(de)(de)(de)(de)(de)在(zai)使(shi)用(yong)(yong)(yong)用(yong)(yong)(yong)途方(fang)面(mian)也(ye)會不(bu)(bu)同。《關于人(ren)工(gong)(gong)(gong)(gong)機(ji)制(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)和特(te)細砂(sha)(sha)(sha)(sha)(sha)(sha)的(de)(de)(de)(de)(de)(de)混(hun)(hun)合(he)砂(sha)(sha)(sha)(sha)(sha)(sha)與天(tian) 然(ran)砂(sha)(sha)(sha)(sha)(sha)(sha)在(zai)混(hun)(hun)凝(ning)土(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)的(de)(de)(de)(de)(de)(de)應(ying)用(yong)(yong)(yong)研究》 1 前言 砂(sha)(sha)(sha)(sha)(sha)(sha)是(shi)(shi)混(hun)(hun)凝(ning)土(tu)(tu)(tu)(tu)(tu)(tu)組(zu)成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)主要(yao)材料,隨(sui)著建筑業(ye)發(fa)展(zhan)(zhan)和對(dui)(dui)建筑工(gong)(gong)(gong)(gong)程質 量的(de)(de)(de)(de)(de)(de)重(zhong)視(shi),建筑市(shi)場用(yong)(yong)(yong)砂(sha)(sha)(sha)(sha)(sha)(sha)數量越來越大,質量上要(yao)求(qiu)(qiu)越來越高,而合(he)格(ge) 的(de)(de)(de)(de)(de)(de)天(tian)然(ran)砂(sha)(sha)(sha)(sha)(sha)(sha)資(zi)(zi)源(yuan)卻越來越少,由(you)此引發(fa)的(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)(gong)程質量,破(po)壞農田、水利資(zi)(zi)源(yuan) 問(wen)題日趨嚴重(zhong),砂(sha)(sha)(sha)(sha)(sha)(sha)生(sheng)產(chan)(chan)也(ye)因 ...目前我國(guo)混(hun)(hun)凝(ning)土(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)砂(sha)(sha)(sha)(sha)(sha)(sha)用(yong)(yong)(yong)量每年達20億噸以上。天(tian)然(ran)砂(sha)(sha)(sha)(sha)(sha)(sha)是(shi)(shi)一種地方(fang)性資(zi)(zi)源(yuan),分(fen)布(bu)很(hen)不(bu)(bu)均勻(yun),短時(shi)(shi)間(jian)內不(bu)(bu)可(ke)能再生(sheng),也(ye)不(bu)(bu)適宜長(chang)距離運輸(shu),機(ji)制(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)應(ying)運而生(sheng)。但(dan)是(shi)(shi)在(zai)機(ji)制(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)配制(zhi)(zhi)混(hun)(hun)凝(ning)土(tu)(tu)(tu)(tu)(tu)(tu)時(shi)(shi),也(ye)會存在(zai)一些問(wen)題,那(nei)么,怎樣才(cai)能使(shi)人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)在(zai)混(hun)(hun)凝(ning)土(tu)(tu)(tu)(tu)(tu)(tu)配制(zhi)(zhi)中(zhong)(zhong)得到(dao)更(geng)好的(de)(de)(de)(de)(de)(de)應(ying)用(yong)(yong)(yong)

機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)具有(you)(you)(you)諸多優(you)(you)點(dian)(dian),但(dan)是,由于目(mu)前(qian)(qian)我(wo)國機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)的(de)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)成本較高,生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)難度(du)大(da),使得其(qi)(qi)在(zai)(zai)(zai)建(jian)筑材料市場中(zhong)(zhong)(zhong)(zhong)的(de)大(da)范(fan)圍推廣比(bi)(bi)較困難。因此,文(wen)章對機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)在(zai)(zai)(zai)混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)(zhong)(zhong)的(de)應(ying)用(yong)(yong)展(zhan)開探討(tao),以期(qi)為(wei)我(wo)國建(jian)筑領域混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)的(de)施工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)作提(ti)供(gong)參考。 關鍵詞(ci)：機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha),機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)的(de)優(you)(you)缺點(dian)(dian)及(ji)其(qi)(qi)在(zai)(zai)(zai)混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)和工(gong)(gong)(gong)(gong)程(cheng)中(zhong)(zhong)(zhong)(zhong)的(de)應(ying)用(yong)(yong) 1 機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)的(de)優(you)(you)缺點(dian)(dian) 根據在(zai)(zai)(zai)云南蒙自地區利(li)用(yong)(yong)機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)的(de)經(jing)驗,將其(qi)(qi)優(you)(you)缺點(dian)(dian)總結如(ru)下。 1. 1 機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)的(de)優(you)(you)點(dian)(dian) 采用(yong)(yong)機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)配置混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)具有(you)(you)(you)如(ru)下優(you)(you)點(dian)(dian)： （1）工(gong)(gong)(gong)(gong)廠(chang)化生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan),質量(liang)(liang)可以得到保證工(gong)(gong)(gong)(gong)廠(chang)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)可以從選(xuan)材、破碎等一系(xi)列工(gong)(gong)(gong)(gong)藝流程(cheng)上 建(jian)立(li)質量(liang)(liang)監控體系(xi),生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan) ...機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)_混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu) 機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha),電(dian)影天堂為(wei)您提(ti)供(gong)機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)_混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu) 機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)迅雷下載和劇(ju)情(qing),機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)_混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu) 機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)簡(jian)介：機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)在(zai)(zai)(zai)使用(yong)(yong)過程(cheng)中(zhong)(zhong)(zhong)(zhong)應(ying)注(zhu)意的(de)問題1920x1080 - 600KB - JPEG國家對生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)有(you)(you)(you)鼓勵(li)嗎2389x1365 - 751KB - JPEG【行業(ye)觀(guan)察】機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)價格(ge) ...【摘要】：研究(jiu)石(shi)(shi)(shi)粉含量(liang)(liang)及(ji)混(hun)合砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)中(zhong)(zhong)(zhong)(zhong)人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)含量(liang)(liang)對砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)漿性(xing)(xing)能(neng)的(de)影響,并討(tao)論其(qi)(qi)影響機(ji)(ji)(ji)(ji)(ji)理。研究(jiu)表明,一定石(shi)(shi)(shi)粉含量(liang)(liang)和人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)含量(liang)(liang)有(you)(you)(you)利(li)于提(ti)高砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)漿工(gong)(gong)(gong)(gong)作性(xing)(xing)及(ji)力學性(xing)(xing)能(neng)。如(ru)果按天然砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)的(de)規律進(jin)行機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)配比(bi)(bi)設計(ji),人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)的(de)需(xu)水量(liang)(liang)大(da),和易性(xing)(xing)稍差,易產(chan)(chan)(chan)(chan)(chan)(chan)生(sheng)(sheng)(sheng)(sheng)泌水,特別(bie)在(zai)(zai)(zai)水泥用(yong)(yong)量(liang)(liang)少的(de)低強度(du)等級混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)(zhong)(zhong)表現(xian)明顯；而如(ru)果根據人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)的(de)特點(dian)(dian)進(jin)行機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)配比(bi)(bi)設計(ji),通(tong)過合理利(li)用(yong)(yong)人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)中(zhong)(zhong)(zhong)(zhong)的(de)石(shi)(shi)(shi)粉、調整人(ren)工(gong)(gong)(gong)(gong)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)的(de)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)率,是完全機(ji)(ji)(ji)(ji)(ji)制(zhi)(zhi)(zhi)(zhi)(zhi)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)在(zai)(zai)(zai)預拌混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)(zhong)(zhong)的(de)試驗研究(jiu)及(ji)應(ying)用(yong)(yong) 07:00 來源: 砼(tong)話 0 前(qian)(qian)言 目(mu)前(qian)(qian)淄(zi)博市商品(pin)混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)公司生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)混(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)用(yong)(yong)砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha),大(da)多使用(yong)(yong)的(de)是石(shi)(shi)(shi)子(zi)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)企業(ye)在(zai)(zai)(zai)用(yong)(yong)河卵石(shi)(shi)(shi)破碎生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)石(shi)(shi)(shi)子(zi)時(shi),過篩到剩余的(de)石(shi)(shi)(shi)屑同時(shi)混(hun)有(you)(you)(you)河中(zhong)(zhong)(zhong)(zhong)天然細砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)組(zu)成的(de)一種混(hun)合砂(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)(sha)。這(zhe)種 ...

由于貴州省銅仁地區特殊的山區地質條件,決定了其缺乏配制混凝土所需的原材料天然河砂,新建銅仁至玉屏鐵路混凝土選用機制砂作為混凝土所需細骨料,結合機制砂在本條鐵路中的應用現狀,分析機制砂石粉含量對混凝土各方面性能的影響,機制砂(人工砂)在混凝土的應用,張錦城;-廣東建材2018年第06期雜志在線閱讀、文章下載。<正>混(hun)凝(ning)土(tu)是(shi)目前(qian)最重(zhong)(zhong)要(yao)的(de)(de)(de)(de)(de)(de)建(jian)筑(zhu)(zhu)材料(liao)(liao),其應(ying)(ying)(ying)(ying)用(yong)(yong)范圍十分水(shui):潔凈的(de)(de)(de)(de)(de)(de)自來水(shui)。廣泛。但(dan)作(zuo)為目前(qian)世界(jie)宗(zong)的(de)(de)(de)(de)(de)(de)人造建(jian)筑(zhu)(zhu)材料(liao)(liao),其在(zai)(zai)給人類帶(dai)(dai)來巨大(da)文明進步的(de)(de)(de)(de)(de)(de)同(tong)時(shi),也面(mian)臨著由(you)此(ci)(ci)造成的(de)(de)(de)(de)(de)(de)嚴2.....淺談機(ji)制(zhi)砂(sha)(sha)(sha)在(zai)(zai)混(hun)凝(ning)土(tu)中(zhong)應(ying)(ying)(ying)(ying)用(yong)(yong) 職稱驛站 所屬(shu)分類：地(di)質論(lun)文 發(fa)布時(shi)間： 15:00:09 瀏覽：1 次 摘要(yao)：目前(qian)宗(zong)的(de)(de)(de)(de)(de)(de)建(jian)筑(zhu)(zhu)材料(liao)(liao)是(shi)混(hun)凝(ning)土(tu),它(ta)的(de)(de)(de)(de)(de)(de)主(zhu)要(yao)原材料(liao)(liao)之一(yi)是(shi)砂(sha)(sha)(sha),包括(kuo)天(tian)(tian)然砂(sha)(sha)(sha)和(he)機(ji)制(zhi)砂(sha)(sha)(sha)。由(you)于(yu)(yu)自然資源(yuan)的(de)(de)(de)(de)(de)(de)限制(zhi),機(ji)制(zhi)砂(sha)(sha)(sha)應(ying)(ying)(ying)(ying)運而生(sheng),它(ta)的(de)(de)(de)(de)(de)(de)出現解決 ...特別(bie)是(shi)機(ji)制(zhi)砂(sha)(sha)(sha)石(shi)產業(ye)的(de)(de)(de)(de)(de)(de)快速發(fa)展(zhan)(zhan),使(shi)行業(ye)的(de)(de)(de)(de)(de)(de)產業(ye)結(jie)構發(fa)生(sheng)了重(zhong)(zhong)大(da)變(bian)化,帶(dai)(dai)來了新的(de)(de)(de)(de)(de)(de)發(fa)展(zhan)(zhan)機(ji)遇和(he)強有(you)力的(de)(de)(de)(de)(de)(de)發(fa)展(zhan)(zhan)動(dong)力,前(qian)景看好(hao)。機(ji)制(zhi)砂(sha)(sha)(sha)石(shi)人工(gong)骨料(liao)(liao)的(de)(de)(de)(de)(de)(de)生(sheng)產和(he)在(zai)(zai)混(hun)凝(ning)土(tu)中(zhong)的(de)(de)(de)(de)(de)(de)應(ying)(ying)(ying)(ying)用(yong)(yong)發(fa)展(zhan)(zhan)如(ru)何(he),請關注。《關于(yu)(yu)人工(gong)機(ji)制(zhi)砂(sha)(sha)(sha)和(he)特細砂(sha)(sha)(sha)的(de)(de)(de)(de)(de)(de)混(hun)合砂(sha)(sha)(sha)與天(tian)(tian)然砂(sha)(sha)(sha)在(zai)(zai)混(hun)凝(ning)土(tu)中(zhong)的(de)(de)(de)(de)(de)(de)應(ying)(ying)(ying)(ying)用(yong)(yong)研究》 前(qian)言砂(sha)(sha)(sha)是(shi)混(hun)凝(ning)土(tu)組成的(de)(de)(de)(de)(de)(de)主(zhu)要(yao)材料(liao)(liao),隨著建(jian)筑(zhu)(zhu)業(ye)發(fa)展(zhan)(zhan)和(he)對(dui)建(jian)筑(zhu)(zhu)工(gong)程質 量(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)重(zhong)(zhong)視(shi),建(jian)筑(zhu)(zhu)市場(chang)用(yong)(yong)砂(sha)(sha)(sha)數量(liang)(liang)(liang)越(yue)(yue)來越(yue)(yue)大(da),質量(liang)(liang)(liang)上要(yao)求(qiu)越(yue)(yue)來越(yue)(yue)高,而合格 的(de)(de)(de)(de)(de)(de)天(tian)(tian)然砂(sha)(sha)(sha)資源(yuan)卻越(yue)(yue)來越(yue)(yue)少,由(you)此(ci)(ci)引發(fa)的(de)(de)(de)(de)(de)(de)工(gong)程質量(liang)(liang)(liang),破壞(huai)農田在(zai)(zai)混(hun)凝(ning)土(tu)中(zhong)適量(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)石(shi)粉(fen)(fen)可以(yi)起到(dao)填(tian)(tian)充(chong)作(zuo)用(yong)(yong),有(you)利(li)于(yu)(yu)機(ji)制(zhi)砂(sha)(sha)(sha)混(hun)凝(ning)土(tu)強度提高,但(dan)不同(tong)強度等(deng)級機(ji)制(zhi)砂(sha)(sha)(sha)混(hun)凝(ning)土(tu)對(dui)應(ying)(ying)(ying)(ying)石(shi)粉(fen)(fen)含量(liang)(liang)(liang)不同(tong)。石(shi)粉(fen)(fen)完整的(de)(de)(de)(de)(de)(de)微(wei)級配、粗糙的(de)(de)(de)(de)(de)(de)表面(mian)在(zai)(zai)混(hun)凝(ning)土(tu)的(de)(de)(de)(de)(de)(de)界(jie)面(mian)起到(dao)很好(hao)的(de)(de)(de)(de)(de)(de)填(tian)(tian)充(chong)效應(ying)(ying)(ying)(ying)、晶(jing)核效應(ying)(ying)(ying)(ying)、活性效應(ying)(ying)(ying)(ying)、保(bao)水(shui)效應(ying)(ying)(ying)(ying)和(he)潤滑效應(ying)(ying)(ying)(ying)。