橋式濾水(shui)(shui)(shui)(shui)(shui)管關井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)降水(shui)(shui)(shui)(shui)(shui)的(de)(de)基(ji)(ji)(ji)(ji)(ji)本要求(qiu)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)管距(ju)坑(keng)(keng)(keng)壁不(bu)應(ying)小(xiao)于(yu)(yu)1．0～1．5mB、基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)（槽）寬(kuan)度(du)(du)(du)大(da)于(yu)(yu)6m，滲(shen)透(tou)系(xi)數(shu)較(jiao)大(da)時(shi)，應(ying)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)雙排(pai)(pai)(pai)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)C、井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)間距(ju)一(yi)般(ban)(ban)為(wei)(wei)(wei)0．8～1．6mD、井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)管的(de)(de)人(ren)土(tu)(tu)深(shen)(shen)度(du)(du)(du)應(ying)比(bi)所挖基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)底(di)深(shen)(shen)1．2m以上E、集(ji)水(shui)(shui)(shui)(shui)(shui)總管高程宜(yi)沿(yan)抽水(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)流方向有(you)(you)0．25%的(de)(de)上仰(yang)坡度(du)(du)(du)基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)開(kai)挖如有(you)(you)地(di)下(xia)(xia)砂質(zhi)土(tu)(tu)有(you)(you)可(ke)能產生流砂現象時(shi)，宜(yi)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)（）措施(shi)。A、地(di)面(mian)排(pai)(pai)(pai)水(shui)(shui)(shui)(shui)(shui)B、集(ji)水(shui)(shui)(shui)(shui)(shui)坑(keng)(keng)(keng)降水(shui)(shui)(shui)(shui)(shui)C、輕(qing)型井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)降水(shui)(shui)(shui)(shui)(shui)D、井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)降水(shui)(shui)(shui)(shui)(shui)當基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)或溝槽寬(kuan)度(du)(du)(du)小(xiao)于(yu)(yu)6m，且(qie)降水(shui)(shui)(shui)(shui)(shui)深(shen)(shen)度(du)(du)(du)不(bu)超過5m時(shi)，井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)降水(shui)(shui)(shui)(shui)(shui)可(ke)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)（）A、單(dan)排(pai)(pai)(pai)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)B、雙排(pai)(pai)(pai)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)C、環形(xing)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)D、以上均可(ke)給(gei)水(shui)(shui)(shui)(shui)(shui)排(pai)(pai)(pai)水(shui)(shui)(shui)(shui)(shui)構筑物基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)開(kai)挖施(shi)工時(shi)，采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)降水(shui)(shui)(shui)(shui)(shui)時(shi)應(ying)使(shi)地(di)下(xia)(xia)水(shui)(shui)(shui)(shui)(shui)位降至(zhi)基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)底(di)面(mian)標(biao)高以下(xia)(xia)()m。A.0.2B.0.3C.0.5井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)降水(shui)(shui)(shui)(shui)(shui)的(de)(de)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)布(bu)(bu)置(zhi)(zhi)在距(ju)坑(keng)(keng)(keng)壁不(bu)小(xiao)于(yu)(yu)()處，距(ju)離太小(xiao)，則(ze)易漏氣(qi)。A．1～2mB．1～1.5mC．2～3mD．2.5～3m請幫忙(mang)給(gei)出正確(que)(que)答案和(he)分析(xi)，謝(xie)(xie)謝(xie)(xie)！關于(yu)(yu)輕(qing)型井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)降水(shui)(shui)(shui)(shui)(shui)施(shi)工的(de)(de)說法，正確(que)(que)的(de)(de)有(you)(you)()。A、輕(qing)型井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)一(yi)般(ban)(ban)可(ke)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)單(dan)排(pai)(pai)(pai)或雙排(pai)(pai)(pai)布(bu)(bu)置(zhi)(zhi)B、當有(you)(you)土(tu)(tu)方機械頻繁(fan)進出基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)時(shi)，井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)宜(yi)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)環形(xing)布(bu)(bu)置(zhi)(zhi)C、由于(yu)(yu)輕(qing)型井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)需埋入(ru)地(di)下(xia)(xia)蓄(xu)水(shui)(shui)(shui)(shui)(shui)層(ceng)，一(yi)般(ban)(ban)不(bu)宜(yi)雙排(pai)(pai)(pai)布(bu)(bu)D、槽寬(kuan)6m，且(qie)降水(shui)(shui)(shui)(shui)(shui)深(shen)(shen)度(du)(du)(du)超過5m時(shi)不(bu)適宜(yi)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)單(dan)排(pai)(pai)(pai)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)E、為(wei)(wei)(wei)了更(geng)好地(di)集(ji)中排(pai)(pai)(pai)水(shui)(shui)(shui)(shui)(shui)，井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)管應(ying)布(bu)(bu)置(zhi)(zhi)在地(di)下(xia)(xia)水(shui)(shui)(shui)(shui)(shui)下(xia)(xia)游一(yi)側(ce)基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)開(kai)挖采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)降水(shui)(shui)(shui)(shui)(shui)，當基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)寬(kuan)度(du)(du)(du)為(wei)(wei)(wei)4m且(qie)降水(shui)(shui)(shui)(shui)(shui)深(shen)(shen)度(du)(du)(du)為(wei)(wei)(wei)5．5m時(shi)，可(ke)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)()井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)。A.單(dan)排(pai)(pai)(pai)B.雙排(pai)(pai)(pai)C.環形(xing)D.井(jing)(jing)(jing)(jing)(jing)(jing)形(xing)請幫忙(mang)給(gei)出正確(que)(que)答案和(he)分析(xi)，謝(xie)(xie)謝(xie)(xie)！關于(yu)(yu)輕(qing)型井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)降水(shui)(shui)(shui)(shui)(shui)方法的(de)(de)平面(mian)布(bu)(bu)置(zhi)(zhi)，說法錯誤的(de)(de)是(shi)()。A、當基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)或溝槽寬(kuan)度(du)(du)(du)小(xiao)于(yu)(yu)6m，且(qie)降水(shui)(shui)(shui)(shui)(shui)深(shen)(shen)度(du)(du)(du)不(bu)大(da)于(yu)(yu)4m時(shi)，可(ke)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)雙排(pai)(pai)(pai)降水(shui)(shui)(shui)(shui)(shui)B、當基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)寬(kuan)度(du)(du)(du)大(da)于(yu)(yu)6m或土(tu)(tu)質(zhi)不(bu)良，滲(shen)透(tou)系(xi)數(shu)較(jiao)大(da)時(shi)，則(ze)宜(yi)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)雙排(pai)(pai)(pai)線狀(zhuang)降水(shui)(shui)(shui)(shui)(shui)C、面(mian)積較(jiao)大(da)的(de)(de)基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)宜(yi)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)環狀(zhuang)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)降水(shui)(shui)(shui)(shui)(shui)D、面(mian)積較(jiao)大(da)的(de)(de)基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)也可(ke)布(bu)(bu)置(zhi)(zhi)為(wei)(wei)(wei)“U”形(xing)，目的(de)(de)是(shi)為(wei)(wei)(wei)了節省井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)數(shu)量E、面(mian)積較(jiao)大(da)的(de)(de)基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)也可(ke)布(bu)(bu)置(zhi)(zhi)為(wei)(wei)(wei)“U”形(xing)，以利(li)挖土(tu)(tu)機和(he)運土(tu)(tu)車出入(ru)基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)關于(yu)(yu)輕(qing)型井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)降水(shui)(shui)(shui)(shui)(shui)井(jing)(jing)(jing)(jing)(jing)(jing)布(bu)(bu)置(zhi)(zhi)的(de)(de)說法，正確(que)(que)的(de)(de)是(shi)（）A.采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)環形(xing)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)時(shi)，在地(di)下(xia)(xia)水(shui)(shui)(shui)(shui)(shui)上游方向可(ke)不(bu)封閉．間距(ju)可(ke)達4mB.基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)寬(kuan)度(du)(du)(du)小(xiao)于(yu)(yu)6m且(qie)降水(shui)(shui)(shui)(shui)(shui)深(shen)(shen)度(du)(du)(du)不(bu)超過6m，可(ke)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)單(dan)排(pai)(pai)(pai)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)，布(bu)(bu)置(zhi)(zhi)在地(di)下(xia)(xia)水(shui)(shui)(shui)(shui)(shui)下(xia)(xia)游一(yi)側(ce)C.基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)寬(kuan)度(du)(du)(du)大(da)于(yu)(yu)6m或土(tu)(tu)質(zhi)不(bu)良、滲(shen)透(tou)系(xi)數(shu)較(jiao)小(xiao)，宜(yi)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)雙排(pai)(pai)(pai)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)D.當基(ji)(ji)(ji)(ji)(ji)坑(keng)(keng)(keng)面(mian)積較(jiao)大(da)時(shi)，宜(yi)采(cai)(cai)(cai)(cai)(cai)(cai)用(yong)(yong)(yong)環形(xing)井(jing)(jing)(jing)(jing)(jing)(jing)點(dian)(dian)(dian)(dian)(dian)(dian)請幫忙(mang)給(gei)出正確(que)(que)答案和(he)分析(xi)，謝(xie)(xie)謝(xie)(xie)！