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混凝土二次振搗絕招大揭秘
發(fa)布日期：2015-09-21 | 關注(zhu)：[1000]

二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)澆筑(zhu)有(you)(you)一種方法叫二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)，在(zai)(zai)(zai)(zai)各種提(ti)(ti)高(gao)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)性能的(de)(de)(de)(de)(de)施(shi)(shi)工(gong)(gong)措施(shi)(shi)中，二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)對(dui)提(ti)(ti)高(gao)混(hun)(hun)(hun)(hun)(hun)(hun) 凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)強(qiang)(qiang)度(du)(du)(du)(du)，節約(yue)水(shui)(shui)(shui)泥(ni)用(yong)(yong)量，改(gai)善混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)抗滲性、耐久性以及裂(lie)縫(feng)控制都有(you)(you)積(ji)極意(yi)義。正所(suo)謂一次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao) 是(shi)(shi)預(yu)演，二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)是(shi)(shi)實(shi)操。優點混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)有(you)(you)很(hen)多(duo)優點，不(bu)(bu)僅可(ke)以提(ti)(ti)高(gao)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)強(qiang)(qiang)度(du)(du)(du)(du)，或(huo)在(zai)(zai)(zai)(zai)保(bao)證強(qiang)(qiang) 度(du)(du)(du)(du)的(de)(de)(de)(de)(de)前提(ti)(ti)下(xia)節約(yue)水(shui)(shui)(shui)泥(ni)的(de)(de)(de)(de)(de)用(yong)(yong)量，而且可(ke)以增(zeng)加混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)密實(shi)度(du)(du)(du)(du)，提(ti)(ti)高(gao)防滲性，消除混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)由于(yu)沉陷產(chan)(chan)生的(de)(de)(de)(de)(de)裂(lie) 紋和(he)細縫(feng)。據有(you)(you)關(guan)實(shi)驗表明，二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)，可(ke)使鋼筋握裹力增(zeng)加1/3，28 d強(qiang)(qiang)度(du)(du)(du)(du)增(zeng)加10%～15%，在(zai)(zai)(zai)(zai)保(bao)持強(qiang)(qiang)度(du)(du)(du)(du) 不(bu)(bu)變的(de)(de)(de)(de)(de)前提(ti)(ti)下(xia)節約(yue)水(shui)(shui)(shui)泥(ni)用(yong)(yong)量15%左右。問題來啦(la)二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)施(shi)(shi)工(gong)(gong)工(gong)(gong)藝雖然有(you)(you)很(hen)多(duo)的(de)(de)(de)(de)(de)優點，但(dan)是(shi)(shi)二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)法牽涉(she)到的(de)(de)(de)(de)(de)施(shi)(shi)工(gong)(gong)因(yin)(yin)素(su)也很(hen)多(duo)，特(te)別是(shi)(shi)二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)確(que)定(ding)，如(ru)果(guo)(guo)(guo)處理(li)(li)不(bu)(bu)當，造成(cheng)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)太(tai)遲，在(zai)(zai)(zai)(zai)水(shui)(shui)(shui)泥(ni)漿(jiang)體硬(ying) 化后(hou)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)，會造成(cheng)無法愈合(he)的(de)(de)(de)(de)(de)裂(lie)縫(feng)產(chan)(chan)生，導(dao)致混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)水(shui)(shui)(shui)泥(ni)石結(jie)(jie)(jie)(jie)(jie)構(gou)破壞，所(suo)以采用(yong)(yong)這種方法時(shi)(shi)(shi)(shi)(shi)(shi)(shi)必須綜合(he)考慮各方面的(de)(de)(de)(de)(de)因(yin)(yin)素(su)，認真(zhen)試驗，慎重實(shi)施(shi)(shi)。選(xuan)擇(ze)正確(que)的(de)(de)(de)(de)(de)二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)是(shi)(shi)關(guan)鍵（1）如(ru)果(guo)(guo)(guo)距離初(chu)(chu)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)間(jian)(jian)(jian)(jian)(jian)隔(ge)過(guo)(guo)短，則(ze)效(xiao)果(guo)(guo)(guo)不(bu)(bu)明顯;如(ru)果(guo)(guo)(guo)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)間(jian)(jian)(jian)(jian)(jian)隔(ge)過(guo)(guo)長，特(te)別是(shi)(shi)在(zai)(zai)(zai)(zai)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)初(chu)(chu)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)后(hou)，超(chao)出了重塑時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)范圍(wei),則(ze)會破壞混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)結(jie)(jie)(jie)(jie)(jie)構(gou)，影響混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)質量。（2）大量實(shi)踐表明，混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)應(ying)在(zai)(zai)(zai)(zai)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)初(chu)(chu)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)前1～4h左右進(jin)(jin)行(xing)較佳(jia)，尤(you)其是(shi)(shi)在(zai)(zai)(zai)(zai)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)初(chu)(chu)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)前1h進(jin)(jin)行(xing)效(xiao)果(guo)(guo)(guo) *理(li)(li)想。在(zai)(zai)(zai)(zai)確(que)定(ding)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)初(chu)(chu)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)，考慮到一般(ban)施(shi)(shi)工(gong)(gong)工(gong)(gong)地不(bu)(bu)可(ke)能配備混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)貫入(ru)(ru)(ru)阻力儀，可(ke)以要(yao)求試驗室(shi) 在(zai)(zai)(zai)(zai)測(ce)定(ding)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)結(jie)(jie)(jie)(jie)(jie)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)，同(tong)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)測(ce)定(ding)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)坍落(luo)度(du)(du)(du)(du)，以坍落(luo)度(du)(du)(du)(du)值間(jian)(jian)(jian)(jian)(jian)接判定(ding)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)初(chu)(chu)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)。根據不(bu)(bu)同(tong)的(de)(de)(de)(de)(de) 結(jie)(jie)(jie)(jie)(jie)構(gou)選(xuan)擇(ze)不(bu)(bu)同(tong)的(de)(de)(de)(de)(de)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)方法（1）對(dui)于(yu)T、I型預(yu)制梁，可(ke)在(zai)(zai)(zai)(zai)腹板(ban)位(wei)置間(jian)(jian)(jian)(jian)(jian)距20cm用(yong)(yong)插(cha)入(ru)(ru)(ru)式(shi)(shi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)器振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)，翼板(ban)則(ze) 使用(yong)(yong)附著(zhu)式(shi)(shi)(平面)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)器振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)。（2）對(dui)厚度(du)(du)(du)(du)不(bu)(bu)超(chao)過(guo)(guo)20cm的(de)(de)(de)(de)(de)預(yu)制平板(ban)，用(yong)(yong)附著(zhu)式(shi)(shi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)器振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)，厚度(du)(du)(du)(du)超(chao)過(guo)(guo) 20cm的(de)(de)(de)(de)(de)可(ke)用(yong)(yong)插(cha)入(ru)(ru)(ru)式(shi)(shi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)器振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)。（3）澆筑(zhu)與柱和(he)墻(qiang)連成(cheng)整(zheng)體的(de)(de)(de)(de)(de)梁和(he)板(ban)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)，應(ying)在(zai)(zai)(zai)(zai)柱和(he)墻(qiang)澆筑(zhu)完(wan)畢(bi)后(hou)停歇(xie)1h ，使其獲得初(chu)(chu)步沉實(shi)，再繼續(xu)澆筑(zhu)。（4）二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)在(zai)(zai)(zai)(zai)柱和(he)墻(qiang)的(de)(de)(de)(de)(de)頂部用(yong)(yong)插(cha)入(ru)(ru)(ru)式(shi)(shi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)器振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)，在(zai)(zai)(zai)(zai)梁和(he)板(ban)的(de)(de)(de)(de)(de)部位(wei)分(fen)別用(yong)(yong)插(cha)入(ru)(ru)(ru)式(shi)(shi)和(he)附著(zhu)式(shi)(shi)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)器振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)。二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)注(zhu)意(yi)事項(xiang)氣(qi)溫混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)結(jie)(jie)(jie)(jie)(jie)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)與氣(qi)溫變化密切相(xiang)關(guan)，氣(qi)溫升高(gao)則(ze)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)結(jie)(jie)(jie)(jie)(jie)變快，二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)就應(ying)提(ti)(ti)前，反之就要(yao)推后(hou)。另外(wai)，還應(ying)注(zhu)意(yi)晝夜(ye)溫差，對(dui)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian) 適時(shi)(shi)(shi)(shi)(shi)(shi)(shi)調整(zheng)。水(shui)(shui)(shui)泥(ni)品(pin)種摻有(you)(you)混(hun)(hun)(hun)(hun)(hun)(hun)合(he)材料的(de)(de)(de)(de)(de)水(shui)(shui)(shui)泥(ni)一般(ban)較純熟料水(shui)(shui)(shui)泥(ni)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)結(jie)(jie)(jie)(jie)(jie)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)長，例如(ru)礦渣(zha)酸(suan)鹽水(shui)(shui)(shui)泥(ni)較普通硅酸(suan)鹽水(shui)(shui)(shui)泥(ni)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)結(jie)(jie)(jie)(jie)(jie)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)長。混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)強(qiang)(qiang)度(du)(du)(du)(du)等(deng)(deng)級在(zai)(zai)(zai)(zai)其他條件(jian)相(xiang)同(tong)的(de)(de)(de)(de)(de)前提(ti)(ti)下(xia)，強(qiang)(qiang)度(du)(du)(du)(du)等(deng)(deng)級高(gao)的(de)(de)(de)(de)(de)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)結(jie)(jie)(jie)(jie)(jie)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)短。坍落(luo)度(du)(du)(du)(du)一般(ban)情況，凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)結(jie)(jie)(jie)(jie)(jie)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)隨坍落(luo)度(du)(du)(du)(du)增(zeng)加而有(you)(you)一定(ding)的(de)(de)(de)(de)(de)延(yan)長。但(dan)是(shi)(shi)在(zai)(zai)(zai)(zai)高(gao)溫季節，混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)結(jie)(jie)(jie)(jie)(jie)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)受坍落(luo)度(du)(du)(du)(du)的(de)(de)(de)(de)(de)影響很(hen) 小。水(shui)(shui)(shui)灰(hui)(hui)比(bi)二(er)次(ci)(ci)(ci)(ci)振(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)對(dui)小水(shui)(shui)(shui)灰(hui)(hui)比(bi)的(de)(de)(de)(de)(de)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)增(zeng)強(qiang)(qiang)效(xiao)果(guo)(guo)(guo)好，對(dui)水(shui)(shui)(shui)灰(hui)(hui)比(bi)大的(de)(de)(de)(de)(de)混(hun)(hun)(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)增(zeng)強(qiang)(qiang)效(xiao)果(guo)(guo)(guo)較差。

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