The computing model is optimized according to the model board trolley installation form and the concrete pouring process.

根据现场测量时模板台车的结构安装形式和混凝土浇注的施工步骤，反复修整完善计算模型。

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Working platform shall be built for concrete pouring. Workers and machines shall all stand on the platform, not allowed to tread the rebars.

混凝土浇筑时搭设操作平台，施工人员及机具放在平台上，不得踩踏钢筋。

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This paper introduces the concrete pouring of continuous box girder of main structure of the bridge and the tension construction technology.

重点介绍了该桥的主桥上连续箱梁混凝土浇筑以及张拉施工技术。

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But still, some (private) firm wins the design contract, and then some other (private) firm or (private) firms contract out the labor (or most of it) to do things like, environmental studies, surveying, accounting, pouring concrete, laying bricks, stretching wire, managing the people who do environmental studies, surveying, accounting, pouring concrete, laying bricks and stretching wire.

FORBES: Who Built What?

The project has been bogged down ever since it was launched, though a concrete-pouring ceremony at the site last week suggested there might be some progress.

ECONOMIST: More talk than action | The

His father, Ted, had a construction company there, which specialized in pouring concrete.

NEWYORKER: The Apostate