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某桥为 20+3×25+20m 钢筋混凝土连续箱梁桥,采用满堂式钢管支架现浇。

问题:

1、通常处理地基的方法有哪些?

2、如何设置该桥的常见质量控制点?

3、为防止该桥出现构造裂缝,对原材料和模板有何要求?

更新时间:2024-03-29 00:36:08
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正确答案:

1、通常有地基换填压实、混凝土条形基础和桩基础加混凝土横梁

2、(1)梁体混凝土的强度控制;

(2)预拱度的控制;

(3)支座预埋件的位置控制;

(4)支座安装型号、方向的控制;

(5)伸缩缝安装质量控制;

(6)支架沉降量的控制。

3、应选用优质的水泥和优质的骨料;合理设计混凝土的配合比,防止水灰比过大时出现裂缝; 控制混凝土搅拌时间,避免长时间搅拌后使用。混凝土浇筑时要振捣充分,并加强养生工作。

答案解析:

暂无解析

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