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1·The basement waterproof concrete pouring of comprehensive archives building of Yaomen Power Co, Ltd is introduced.

本文介绍了姚孟发电有限责任公司综合档案楼地下室防水混凝土浇筑。

2·This paper puts forward raising its impervious nature and the construction technology according to the waterproof concrete characteristic.

针对防水混凝土特点，提出提高其抗渗性措施及施工技术。

3·Large volume waterproof concrete with C30 strength grade and seepage resistance P>25 can be mixed by adding expansion agent and reduce-water agent.

经试验表明，在砼中复合掺加膨胀剂和高效减水剂，可制得强度等级为C30，抗渗等级P＞25的大体积防水砼。

4·Winter construction of mass waterproof concrete is a difficult concrete construction project, which comprised mass, waterproofing and winter construction.

大体积防水混凝土冬季施工是集大体积、防水、冬季施工为一体、难度非常大的混凝土施工项目。

5·The crack problem of the mass waterproof concrete transmitted by pumps, has been the keystone to resolve and discuss for the construction industry actively.

泵送工艺施工的大体积防水混凝土工程的裂缝问题，近年来一直是工程界积极探讨解决的重点。

6·It is easy to produce cracks in underground galleries of waterproof concrete in course of construction and it is harmful for cracks to structural functions.

防水混凝土地下通廊在施工过程中，易产生裂缝，对使用功能造成很大的影响。

7·Mass waterproof concrete structure is a main waterproof barrier of underground works. Its technical crux is how to control temperature cracking of the concrete.

大体积防水混凝土结构是地下防水工程中的主要防水屏障，其技术难点是如何控制混凝土温度裂缝。

8·The paper expounds the construction technology of large areas waterproof concrete in the construction of large-scale air-defense concrete project for Masteel Garden Housing.

通过对马钢某住宅小区大型人防工程混凝土施工的介绍，阐述了大面积防水混凝土的施工技术。

9·It is necessary to dispose poor raw material before construction of self-waterproof concrete structure. It is advised to put forward construction plan when the code is not detail.

讨论了自防水混凝土结构施工前对品质低劣的原材料进行处理的方法；指出对规范要求不详尽处要进行具体分析，提出了细部施工方案。

10·FirstLook survives 15-foot drops onto concrete and is waterproof to three feet.

FirstLook机器人可从15英尺的高度掉落到混凝土地面，可在三英尺深的水里活动。