本工程±0.000相當(dāng)于黃海高程7.350m,ZH-1樁頂設(shè)計(jì)標(biāo)高為:-2.050m,有效樁長(zhǎng)約為38;m;ZH-2樁頂設(shè)計(jì)標(biāo)高為:-0.450m,-0.520m,有效樁長(zhǎng)為34m;ZH-3樁頂設(shè)計(jì)標(biāo)高為:-0.900m,有效樁長(zhǎng)為34m。ZH-1預(yù)應(yīng)力管樁單樁豎向承載力特征值為800KN,樁基礎(chǔ)以全風(fēng)粗礫砂為持力層,樁端進(jìn)入持力層不小于0.8米;ZH-2、ZH-3預(yù)應(yīng)力管樁單樁豎向承載力特征值550KN,樁基礎(chǔ)以粉質(zhì)黏土為持力層,樁端進(jìn)入持力層不小于0.8米。