PROBLEM TO BE SOLVED: To provide a concrete material for placing in a cold weather which is capable of suppressing or preventing the occurrence of crack being initial defect caused by dry shrinkage in a surface member constituting a structure such as a slab or wall surface particularly to be ...
Placing concrete in cold weather is problematic. The contractors at the Pearl Harbor Memorial Bridge in New Haven, Connecticut, have battled relentless winters to complete the first extradosed bridge in the United States. Their success hinged on detailed winter concreting plans developed to work safel...
Placing is the process of transferring the fresh concrete from the conveying device to its final place in the forms. Prior to placing, loose rust must be removed from reinforcement, forms must be cleaned, and hardened surfaces of previous concrete lifts must be cleaned and treated appropriately. ...
The invention relates to an advancing pipe that, for reducing the frictional forces between the advancing pipe and the ground, soil, rock, and other surroundings when pressing in the advancing pipe, is comprised of a thin inner pipe (1) and of a concrete outer pipe (2) cast thereon whose...
摘要: Placing concrete in cold weather is problematic. T 年份: 2015 收藏 引用 批量引用 报错 分享 求助全文 通过文献互助平台发起求助,成功后即可免费获取论文全文。 请先登入相似文献From Marco Polo Bridge to Pearl Harbor : who was responsible? 読売新聞戦争責任検証委員会,JE Auer,渡辺, 恒雄,......
摘要: Placing concrete in cold weather is problematic. T 年份: 2015 收藏 引用 批量引用 报错 分享 全部来源 求助全文 国家科技图书文献中心 (权威机构) 相似文献From Marco Polo Bridge to Pearl Harbor : who was responsible? 読売新聞戦争責任検証委員会,JE Auer,渡辺, 恒雄,......
In this case, when the air temperature is low, a cover is erected at the side of the canopy A for heat insulation, thereby preventing the concrete from freezing and enabling a work to be executed without any influence of the weather such as rain, wind, heat and cold, or the like, as...