承(cheng)台(tai)(tai)施(shi)(shi)工(gong)(gong)(gong)1施(shi)(shi)工(gong)(gong)(gong)流程：测量(liang)放(fang)(fang)线(xian)(xian)放(fang)(fang)出(chu)承(cheng)台(tai)(tai)开(kai)(kai)挖(wa)(wa)(wa)(wa)(wa)位置—开(kai)(kai)挖(wa)(wa)(wa)(wa)(wa)基(ji)(ji)坑(keng)(keng)(keng)—边(bian)坡(po)(po)支护—抄标(biao)高(gao)—破桩头—桩基(ji)(ji)检测—打垫层—绑扎(zha)承(cheng)台(tai)(tai)钢筋—立(li)模板(ban)—浇筑混凝(ning)土—养护—模板(ban)拆除基(ji)(ji)坑(keng)(keng)(keng)开(kai)(kai)挖(wa)(wa)(wa)(wa)(wa)时(shi)(shi)，一般采(cai)取分层分段均衡往下开(kai)(kai)挖(wa)(wa)(wa)(wa)(wa)，每挖(wa)(wa)(wa)(wa)(wa)1m左(zuo)右应检查(cha)边(bian)线(xian)(xian)和(he)边(bian)坡(po)(po)，随时(shi)(shi)纠正偏差。主墩承(cheng)台(tai)(tai)基(ji)(ji)坑(keng)(keng)(keng)较深，按(an)3:1的比例放(fang)(fang)坡(po)(po)；引桥(qiao)承(cheng)台(tai)(tai)开(kai)(kai)挖(wa)(wa)(wa)(wa)(wa)量(liang)不(bu)大，不(bu)需(xu)放(fang)(fang)坡(po)(po)。为防止(zhi)超挖(wa)(wa)(wa)(wa)(wa)和(he)保持边(bian)坡(po)(po)坡(po)(po)度(du)正确(que)，机械开(kai)(kai)挖(wa)(wa)(wa)(wa)(wa)至(zhi)按(an)近设计坑(keng)(keng)(keng)底标(biao)高(gao)或(huo)边(bian)坡(po)(po)边(bian)界(jie)，应预留50cm厚土层，用人工(gong)(gong)(gong)开(kai)(kai)挖(wa)(wa)(wa)(wa)(wa)和(he)修坡(po)(po)。开(kai)(kai)挖(wa)(wa)(wa)(wa)(wa)出(chu)的土方及淤泥(ni)及时(shi)(shi)采(cai)用挖(wa)(wa)(wa)(wa)(wa)机和(he)翻(fan)斗车外运出(chu)去。基(ji)(ji)坑(keng)(keng)(keng)挖(wa)(wa)(wa)(wa)(wa)好后(hou)(hou)，应对坑(keng)(keng)(keng)底进(jin)行抄平，修整。如挖(wa)(wa)(wa)(wa)(wa)坑(keng)(keng)(keng)时(shi)(shi)有小部(bu)分超挖(wa)(wa)(wa)(wa)(wa)，采(cai)用砾石回(hui)填夯(hang)实(shi)至(zhi)与(yu)地(di)基(ji)(ji)土基(ji)(ji)本相同的密(mi)实(shi)度(du)。为防止(zhi)坑(keng)(keng)(keng)底扰动(dong)，基(ji)(ji)坑(keng)(keng)(keng)挖(wa)(wa)(wa)(wa)(wa)好后(hou)(hou)尽量(liang)减少(shao)暴露时(shi)(shi)间，及时(shi)(shi)进(jin)行下一道工(gong)(gong)(gong)序(xu)的施(shi)(shi)工(gong)(gong)(gong)。2基(ji)(ji)地(di)清理及桩头凿除：基(ji)(ji)坑(keng)(keng)(keng)开(kai)(kai)挖(wa)(wa)(wa)(wa)(wa)到低于承(cheng)台(tai)(tai)底标(biao)高(gao)10cm后(hou)(hou)，即刻采(cai)取人工(gong)(gong)(gong)进(jin)行坑(keng)(keng)(keng)底清理，然(ran)后(hou)(hou)浇注10cm厚的C15砼垫层，并保持承(cheng)台(tai)(tai)范围(wei)干燥，方便桩头凿除。拆除后(hou)(hou)应对施(shi)(shi)工(gong)(gong)(gong)过(guo)程进(jin)行总结(jie)和(he)评估(gu)，总结(jie)经验教(jiao)训，提高(gao)施(shi)(shi)工(gong)(gong)(gong)质(zhi)量(liang)和(he)效率。江西废弃厂房承(cheng)台(tai)(tai)拆除价(jia)格

承(cheng)(cheng)台(tai)拆(chai)(chai)除(chu)(chu)(chu)(chu)处理方案承(cheng)(cheng)台(tai)是建筑物(wu)中的(de)(de)(de)重(zhong)(zhong)(zhong)(zhong)要(yao)结(jie)构(gou)之一(yi)，它承(cheng)(cheng)载着上部结(jie)构(gou)的(de)(de)(de)重(zhong)(zhong)(zhong)(zhong)量(liang)并将其传递到地基上。然而，在(zai)某些情况下，承(cheng)(cheng)台(tai)可(ke)能需(xu)要(yao)进行拆(chai)(chai)除(chu)(chu)(chu)(chu)处理，例如(ru)建筑物(wu)改造、拓展(zhan)或(huo)(huo)拆(chai)(chai)除(chu)(chu)(chu)(chu)等(deng)。为了(le)确保拆(chai)(chai)除(chu)(chu)(chu)(chu)过(guo)(guo)程的(de)(de)(de)安全(quan)和(he)有(you)效(xiao)性，制(zhi)定(ding)(ding)一(yi)个合理的(de)(de)(de)承(cheng)(cheng)台(tai)拆(chai)(chai)除(chu)(chu)(chu)(chu)处理方案至关重(zhong)(zhong)(zhong)(zhong)要(yao)。首(shou)先，进行承(cheng)(cheng)台(tai)拆(chai)(chai)除(chu)(chu)(chu)(chu)前(qian)，必(bi)须(xu)进行详细的(de)(de)(de)结(jie)构(gou)评估和(he)分(fen)析。这包括承(cheng)(cheng)台(tai)的(de)(de)(de)材料、尺寸、强度(du)等(deng)方面(mian)的(de)(de)(de)检查，以(yi)确定(ding)(ding)拆(chai)(chai)除(chu)(chu)(chu)(chu)的(de)(de)(de)可(ke)行性和(he)可(ke)能的(de)(de)(de)风险。如(ru)果(guo)承(cheng)(cheng)台(tai)存在(zai)结(jie)构(gou)问(wen)题或(huo)(huo)损(sun)坏(huai)，必(bi)须(xu)采取适当(dang)的(de)(de)(de)修复措施或(huo)(huo)加固措施，以(yi)确保拆(chai)(chai)除(chu)(chu)(chu)(chu)过(guo)(guo)程的(de)(de)(de)安全(quan)性。其次(ci)，制(zhi)定(ding)(ding)拆(chai)(chai)除(chu)(chu)(chu)(chu)计划是至关重(zhong)(zhong)(zhong)(zhong)要(yao)的(de)(de)(de)。拆(chai)(chai)除(chu)(chu)(chu)(chu)计划应包括拆(chai)(chai)除(chu)(chu)(chu)(chu)的(de)(de)(de)顺(shun)序、方法(fa)和(he)所需(xu)的(de)(de)(de)设备和(he)工(gong)具(ju)等(deng)。在(zai)选择拆(chai)(chai)除(chu)(chu)(chu)(chu)方法(fa)时，应优先考虑安全(quan)性和(he)效(xiao)率。例如(ru)，对(dui)于较(jiao)小的(de)(de)(de)承(cheng)(cheng)台(tai)，可(ke)以(yi)使(shi)用(yong)手动工(gong)具(ju)进行拆(chai)(chai)除(chu)(chu)(chu)(chu)，而对(dui)于较(jiao)大的(de)(de)(de)承(cheng)(cheng)台(tai)，则(ze)可(ke)能需(xu)要(yao)使(shi)用(yong)机(ji)(ji)(ji)械(xie)设备，如(ru)起重(zhong)(zhong)(zhong)(zhong)机(ji)(ji)(ji)或(huo)(huo)挖掘(jue)机(ji)(ji)(ji)。在(zai)进行承(cheng)(cheng)台(tai)拆(chai)(chai)除(chu)(chu)(chu)(chu)时，必(bi)须(xu)采取适当(dang)的(de)(de)(de)安全(quan)措施。广西楼房承(cheng)(cheng)台(tai)拆(chai)(chai)除(chu)(chu)(chu)(chu)找哪家承(cheng)(cheng)台(tai)拆(chai)(chai)除(chu)(chu)(chu)(chu)需(xu)要(yao)进行现场(chang)环境保护和(he)治理，确保拆(chai)(chai)除(chu)(chu)(chu)(chu)过(guo)(guo)程环保可(ke)靠(kao)。

4.施工(gong)(gong)(gong)(gong)质(zhi)(zhi)量控制：爆(bao)破(po)承(cheng)台(tai)拆(chai)(chai)除(chu)工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)质(zhi)(zhi)量直接(jie)关系(xi)到后(hou)(hou)续工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)安(an)(an)全(quan)(quan)性和稳(wen)定性。因此，在验(yan)收(shou)过程(cheng)(cheng)(cheng)(cheng)中，必须对(dui)拆(chai)(chai)除(chu)后(hou)(hou)的(de)(de)(de)(de)(de)承(cheng)台(tai)进行(xing)(xing)(xing)的(de)(de)(de)(de)(de)检查和评估，包(bao)括(kuo)承(cheng)台(tai)的(de)(de)(de)(de)(de)完整性、平整度、裂缝情况(kuang)等。如发现问题，应(ying)及时进行(xing)(xing)(xing)修复或调整。5.环(huan)境保护：爆(bao)破(po)承(cheng)台(tai)拆(chai)(chai)除(chu)工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)可(ke)能会对(dui)周边环(huan)境造(zao)成(cheng)一(yi)定的(de)(de)(de)(de)(de)影响(xiang)，如噪音、震动、粉尘(chen)等。为了保护环(huan)境，施工(gong)(gong)(gong)(gong)单位必须采取(qu)相应(ying)的(de)(de)(de)(de)(de)措(cuo)施，如设(she)置噪音屏(ping)障、喷洒(sa)水雾等，以减(jian)(jian)少对(dui)周边环(huan)境的(de)(de)(de)(de)(de)影响(xiang)。6.验(yan)收(shou)报告(gao)：完成(cheng)爆(bao)破(po)承(cheng)台(tai)拆(chai)(chai)除(chu)工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)后(hou)(hou)，施工(gong)(gong)(gong)(gong)单位必须编(bian)制详细(xi)的(de)(de)(de)(de)(de)验(yan)收(shou)报告(gao)，包(bao)括(kuo)工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)概况(kuang)、施工(gong)(gong)(gong)(gong)过程(cheng)(cheng)(cheng)(cheng)、安(an)(an)全(quan)(quan)措(cuo)施、质(zhi)(zhi)量评估等内容。该报告(gao)应(ying)由专业人员(yuan)编(bian)写(xie)，并提(ti)交(jiao)给相关部门进行(xing)(xing)(xing)审查和备案。总之，爆(bao)破(po)承(cheng)台(tai)拆(chai)(chai)除(chu)是一(yi)项(xiang)高风险的(de)(de)(de)(de)(de)工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)，必须严(yan)格(ge)按照验(yan)收(shou)规范进行(xing)(xing)(xing)施工(gong)(gong)(gong)(gong)和验(yan)收(shou)。只有确(que)保工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)质(zhi)(zhi)量和施工(gong)(gong)(gong)(gong)安(an)(an)全(quan)(quan)，才(cai)能保证后(hou)(hou)续工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)顺(shun)利进行(xing)(xing)(xing)，并减(jian)(jian)少对(dui)周边环(huan)境和人员(yuan)的(de)(de)(de)(de)(de)影响(xiang)。

桩(zhuang)(zhuang)(zhuang)头(tou)凿除前先(xian)采(cai)(cai)用(yong)(yong)人工(gong)清(qing)理桩(zhuang)(zhuang)(zhuang)头(tou)上的(de)(de)(de)淤泥(ni)然(ran)(ran)后(hou)采(cai)(cai)用(yong)(yong)空压机和(he)风镐(hao)凿除桩(zhuang)(zhuang)(zhuang)头(tou)砼，凿除时(shi)(shi)确(que)保(bao)(bao)桩(zhuang)(zhuang)(zhuang)头(tou)伸入承(cheng)(cheng)(cheng)台里面(mian)10cm，然(ran)(ran)后(hou)清(qing)洗桩(zhuang)(zhuang)(zhuang)头(tou)，在(zai)(zai)声测管内灌水并采(cai)(cai)用(yong)(yong)人工(gong)预先(xian)疏通，确(que)保(bao)(bao)桩(zhuang)(zhuang)(zhuang)基检(jian)测顺利进(jin)行(xing)(xing)，待桩(zhuang)(zhuang)(zhuang)基超(chao)声波检(jian)测合(he)格后(hou)，即可进(jin)行(xing)(xing)承(cheng)(cheng)(cheng)台钢(gang)(gang)筋(jin)(jin)和(he)模(mo)板的(de)(de)(de)安装(zhuang)(zhuang)施(shi)工(gong)。3钢(gang)(gang)筋(jin)(jin)安装(zhuang)(zhuang)：钢(gang)(gang)筋(jin)(jin)安装(zhuang)(zhuang)前，施(shi)工(gong)人员(yuan)根据测量人员(yuan)提供的(de)(de)(de)中线(xian)位置在(zai)(zai)承(cheng)(cheng)(cheng)台基坑垫层上弹(dan)线(xian)确(que)定钢(gang)(gang)筋(jin)(jin)摆放位置。承(cheng)(cheng)(cheng)台各类(lei)钢(gang)(gang)筋(jin)(jin)在(zai)(zai)钢(gang)(gang)筋(jin)(jin)班加工(gong)成(cheng)(cheng)型，然(ran)(ran)后(hou)利用(yong)(yong)装(zhuang)(zhuang)载机和(he)吊(diao)车配合(he)转运至施(shi)工(gong)现场(chang)。钢(gang)(gang)筋(jin)(jin)安装(zhuang)(zhuang)时(shi)(shi)，承(cheng)(cheng)(cheng)台主筋(jin)(jin)采(cai)(cai)用(yong)(yong)单面(mian)搭(da)接(jie)连接(jie)，单面(mian)焊接(jie)长(zhang)度(du)不(bu)(bu)少(shao)于10d，其(qi)(qi)余钢(gang)(gang)筋(jin)(jin)采(cai)(cai)用(yong)(yong)现场(chang)绑扎。4承(cheng)(cheng)(cheng)台大(da)体积混(hun)凝(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)浇筑(zhu)：承(cheng)(cheng)(cheng)台按照钢(gang)(gang)筋(jin)(jin)一次(ci)(ci)绑扎成(cheng)(cheng)型，混(hun)凝(ning)土(tu)(tu)(tu)(tu)浇筑(zhu)一次(ci)(ci)施(shi)工(gong)完成(cheng)(cheng)，施(shi)工(gong)过程(cheng)中错开混(hun)凝(ning)土(tu)(tu)(tu)(tu)的(de)(de)(de)水化(hua)热高(gao)峰时(shi)(shi)间(jian)，以减少(shao)混(hun)凝(ning)土(tu)(tu)(tu)(tu)水化(hua)热的(de)(de)(de)影响。混(hun)凝(ning)土(tu)(tu)(tu)(tu)分(fen)层浇筑(zhu)，分(fen)层振(zhen)(zhen)(zhen)(zhen)捣(dao)，每层浇筑(zhu)厚(hou)度(du)40cm。混(hun)凝(ning)土(tu)(tu)(tu)(tu)振(zhen)(zhen)(zhen)(zhen)捣(dao)采(cai)(cai)用(yong)(yong)直径50mm左(zuo)右(you)的(de)(de)(de)插(cha)入式振(zhen)(zhen)(zhen)(zhen)捣(dao)器。振(zhen)(zhen)(zhen)(zhen)捣(dao)时(shi)(shi)插(cha)入下层混(hun)凝(ning)土(tu)(tu)(tu)(tu)10cm左(zuo)右(you)，并保(bao)(bao)证在(zai)(zai)下层混(hun)凝(ning)土(tu)(tu)(tu)(tu)初凝(ning)前进(jin)行(xing)(xing)一次(ci)(ci)振(zhen)(zhen)(zhen)(zhen)捣(dao)，使混(hun)凝(ning)土(tu)(tu)(tu)(tu)具有良好的(de)(de)(de)密实度(du)和(he)整体性。振(zhen)(zhen)(zhen)(zhen)捣(dao)中既(ji)要(yao)防止漏振(zhen)(zhen)(zhen)(zhen)，也不(bu)(bu)能过振(zhen)(zhen)(zhen)(zhen)。浇筑(zhu)过程(cheng)中设(she)专人检(jian)查钢(gang)(gang)筋(jin)(jin)和(he)模(mo)板的(de)(de)(de)稳(wen)固(gu)性，发现问题(ti)及(ji)(ji)时(shi)(shi)处理。在(zai)(zai)混(hun)凝(ning)土(tu)(tu)(tu)(tu)开始浇注前，为保(bao)(bao)证混(hun)凝(ning)土(tu)(tu)(tu)(tu)在(zai)(zai)输送(song)管内顺畅运行(xing)(xing)而不(bu)(bu)堵(du)管，先(xian)行(xing)(xing)泵(beng)送(song)1m3水泥(ni)砂浆进(jin)行(xing)(xing)润管。承(cheng)(cheng)(cheng)台拆除后(hou)应(ying)及(ji)(ji)时(shi)(shi)通知相关部门和(he)居民(min)，避免对(dui)其(qi)(qi)造成(cheng)(cheng)不(bu)(bu)必(bi)要(yao)的(de)(de)(de)困扰和(he)影响。

测(ce)(ce)定桩(zhuang)(zhuang)顶(ding)标高，沿桩(zhuang)(zhuang)顶(ding)标高及其以上10cm位置，用切(qie)割机(ji)环切(qie)2道(dao)，环切(qie)时注(zhu)意避免(mian)伤害桩(zhuang)(zhuang)基(ji)础主筋。将2道(dao)环缝之间的混(hun)凝(ning)(ning)土剥除(chu)，露出(chu)桩(zhuang)(zhuang)基(ji)础钢(gang)(gang)筋，再沿桩(zhuang)(zhuang)基(ji)础主筋将钢(gang)(gang)筋逐(zhu)步(bu)分(fen)(fen)离出(chu)混(hun)凝(ning)(ning)土，凿(zao)除(chu)桩(zhuang)(zhuang)芯。桩(zhuang)(zhuang)头破除(chu)后，即(ji)刻进(jin)(jin)行(xing)(xing)桩(zhuang)(zhuang)身质量检(jian)测(ce)(ce)，检(jian)测(ce)(ce)方法有(you)(you)低应(ying)(ying)变检(jian)测(ce)(ce)和超(chao)声波检(jian)测(ce)(ce)两种：①低应(ying)(ying)变检(jian)测(ce)(ce)低应(ying)(ying)变检(jian)测(ce)(ce)的桩(zhuang)(zhuang)头做好(hao)(hao)处理(li)(li)：除(chu)去浮(fu)碴(cha)，凿(zao)出(chu)松动(dong)和有(you)(you)裂隙(xi)部分(fen)(fen)，露出(chu)密室混(hun)凝(ning)(ning)土，大致(zhi)凿(zao)平(ping)(ping)。中心激振处和传感器安装(zhuang)处要磨平(ping)(ping)。②超(chao)声波检(jian)测(ce)(ce)超(chao)声波检(jian)测(ce)(ce)的桩(zhuang)(zhuang)头做好(hao)(hao)的准(zhun)备：除(chu)去浮(fu)碴(cha)，凿(zao)出(chu)松动(dong)和有(you)(you)裂隙(xi)部分(fen)(fen)，保(bao)证声测(ce)(ce)管(guan)的通畅并注(zhu)满(man)清水(shui)。同(tong)一(yi)根桩(zhuang)(zhuang)的各管(guan)口(kou)高度(du)大致(zhi)相同(tong)，管(guan)口(kou)高程须进(jin)(jin)行(xing)(xing)测(ce)(ce)量，有(you)(you)高程记录。(6)基(ji)底处理(li)(li)应(ying)(ying)符合下列规(gui)定：①桩(zhuang)(zhuang)基(ji)检(jian)测(ce)(ce)符合设计(ji)要求。②碎石类及砂类土层基(ji)底面(mian)应(ying)(ying)修理(li)(li)平(ping)(ping)整(zheng)时，用水(shui)泥砂浆抹面(mian)。③黏性土层基(ji)底整(zheng)修时，应(ying)(ying)在天然状态下铲(chan)平(ping)(ping)。可向基(ji)底铺设一(yi)层碎石或(huo)素(su)混(hun)凝(ning)(ning)土垫层，垫层顶(ding)面(mian)不(bu)得高于(yu)基(ji)底设计(ji)高程。④泉眼可用堵塞或(huo)排(pai)引的方法处理(li)(li)。筑岛内特别注(zhu)意排(pai)水(shui)⑤对桩(zhuang)(zhuang)顶(ding)伸入(ru)承(cheng)台部分(fen)(fen)变形(xing)的钢(gang)(gang)筋进(jin)(jin)行(xing)(xing)调整(zheng)处理(li)(li)承(cheng)台拆除(chu)需要进(jin)(jin)行(xing)(xing)现场测(ce)(ce)量和分(fen)(fen)析，确保(bao)拆除(chu)过(guo)程可靠。广西(xi)楼房(fang)承(cheng)台拆除(chu)找哪(na)家

拆除时应注意施(shi)工(gong)人员(yuan)的(de)安(an)全，配备(bei)必要的(de)安(an)全防护设(she)备(bei)。江西废弃厂房(fang)承台(tai)拆除价(jia)格

承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)指的(de)是为(wei)承(cheng)(cheng)(cheng)(cheng)受、分布由墩身传递的(de)荷载(zai)，在(zai)(zai)桩基(ji)(ji)(ji)(ji)(ji)顶部设(she)置的(de)联结各桩顶的(de)钢筋(jin)混凝(ning)土(tu)平台(tai)(tai)(tai)(tai)(tai)，根据所处环(huan)境分为(wei)一(yi)般(ban)承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)和水(shui)中承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)。(1)桩基(ji)(ji)(ji)(ji)(ji)础(chu)(chu)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)完毕(bi)，并完成隐蔽工(gong)程(cheng)质量验(yan)收。(2)测量放样，标注承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)位置。(3)无(wu)水(shui)承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)可(ke)直接(jie)进(jin)(jin)行(xing)基(ji)(ji)(ji)(ji)(ji)础(chu)(chu)开(kai)挖(wa)；浅(qian)水(shui)承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)先(xian)填筑土(tu)石围堰(yan)(yan)(yan)(yan)、水(shui)中筑岛完成桩基(ji)(ji)(ji)(ji)(ji)础(chu)(chu)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)后(hou)，再进(jin)(jin)行(xing)基(ji)(ji)(ji)(ji)(ji)础(chu)(chu)开(kai)挖(wa)。(4)深(shen)水(shui)承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)，需(xu)按(an)(an)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)组织设(she)计(ji)要求，先(xian)施(shi)(shi)(shi)(shi)(shi)(shi)作套箱围堰(yan)(yan)(yan)(yan)、钢板桩围堰(yan)(yan)(yan)(yan)、钢管桩围堰(yan)(yan)(yan)(yan)或双壁(bi)钢围堰(yan)(yan)(yan)(yan)后(hou)，进(jin)(jin)入承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)。一(yi)般(ban)承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)(1)无(wu)水(shui)承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)和浅(qian)水(shui)中围堰(yan)(yan)(yan)(yan)筑岛施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)的(de)承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)挖(wa)基(ji)(ji)(ji)(ji)(ji)可(ke)以按(an)(an)照明挖(wa)基(ji)(ji)(ji)(ji)(ji)础(chu)(chu)的(de)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)方(fang)式进(jin)(jin)行(xing)开(kai)挖(wa)。(2)明挖(wa)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)的(de)承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)，其施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)工(gong)艺流(liu)程(cheng)如图4-1所示(3)承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)底为(wei)软弱土(tu)层时，应按(an)(an)设(she)计(ji)要求采取加(jia)固措施(shi)(shi)(shi)(shi)(shi)(shi)。设(she)计(ji)无(wu)要求时，可(ke)通(tong)过(guo)基(ji)(ji)(ji)(ji)(ji)底换填、加(jia)铺垫(dian)层等方(fang)法(fa)对基(ji)(ji)(ji)(ji)(ji)底进(jin)(jin)行(xing)加(jia)固，防止在(zai)(zai)浇筑承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)混凝(ning)土(tu)过(guo)程(cheng)中产生不(bu)均匀(yun)沉降。(4)边桩外侧与承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)边缘的(de)净距不(bu)得小于设(she)计(ji)值。(5)承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)开(kai)挖(wa)出(chu)来后(hou)，立(li)即进(jin)(jin)行(xing)桩基(ji)(ji)(ji)(ji)(ji)础(chu)(chu)的(de)桩头破除。江西废弃厂房承(cheng)(cheng)(cheng)(cheng)台(tai)(tai)(tai)(tai)(tai)拆除价格

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