先行走后固定塔吊应立于轨道上，如后固定位置处于回填土上时，其基础作特殊处理，必须满足承载要求。
To walk after fixed tower crane should remain on track, such as fixed position in backfill soil, the foundation for special treatment, must meet the load requirements.
同时，为降低桥头地基的荷载和基础应力，减少沉降并增加填料的密实度，台背回填采用液态粉煤灰填筑。
At the same time, liquid coal ash is used in backfilling of abutment, so as to reduce the load and basic stress, reduce settlement and increase the dense of fillings.
浃底隧道出口明洞段回填厚度较大而基础土体软弱，因此采用了桩-筏基础的形式以避免过大沉降带来的不利影响。
Considering the thick backfill and soft foundation soil in the cut-and-cover section of Jiadi tunnel, a pile-raft foundation is accepted in order to avoid negative effect due to excessive settlement.
请明确基础的最终清理范围及回填范围。
Please clearly indicate the final clearance area and backfilling area for the foundation.
请明确基础的最终清理范围及回填范围。
Please clearly indicate the final clearance area and backfilling area for the foundation.
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