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热轧U型钢板桩 施工方法 导梁安装

发布时间:2016-5-23 9:25:55 浏览次数:1605

1)钢板桩插打根据现场作业条件和地质资料,采用机械打桩批插打钢板桩。钢板桩采用逐块插打,插打次序从上游开始紧贴导梁插打,向下游合拢。插打钢板桩时严格控制好桩的垂直度,尤其是第一根桩打入时加强定位和双向垂直度检查(需配备两台全站仪)控制,必须保证位置正确,竖直下沉。



1) steel sheet piles according to field conditions and geological data, the number of inserted steel sheet pile piling machine. Steel sheet pile by block plug, plug the order from the upstream start close to guide beam insertion, downstream closure. When inserting the steel sheet pile strict control of pile verticality, especially the first stake into strengthen positioning and bidirectional inspection of verticality (to be equipped with two sets of total station instrument control, must ensure the correct position and vertical sinking.


2)为保证钢板桩插打的位置准确,首先设置定位桩,定位桩采用的Φ50cm(壁厚10mm)钢管桩,根据不同土质打入深度为5~7m;导梁采用40号工字钢加工而成。

2) to ensure the steel sheet pile in playing position accurately, first set the positioning pile, the positioning pile with the diameter of 50 cm (wall thickness 10mm) steel pipe pile. According to different soil infiltrating depth is 5 ~ 7m; guiding beam using 40 number I-steel processing and into.


3)施打前先在场内加工制作,现场拼装导梁,河中沿线性插打若干钢管桩,将内导梁焊接在钢管桩上面,用以导向,水上平台经检查平面位置后可直接作为外导向。导向采用40号工字钢制作,具有一定竖向和侧向刚度,保证施打时不变形,正确导向。在打钢板桩时,采用两个夹具夹住钢板桩,夹具可采用10号槽钢制作(具体形式见以下示意图)。

3) application before the first pitch processing production, on-site assembly guide beam, the river along the line in a plurality of steel pipe pile, will guide beam welding in steel pipe pile above, to guide and water on the platform after the inspection plane position can be directly used as the guide. The guide No. 40 i-beamgirders, with the vertical and lateral stiffness, ensure no deformation at the correct direction. In the steel sheet pile, the two clamps are used for clamping the steel sheet pile, the fixture can be the channel 10 production (see the specific form of the schematic below).


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