HDPE double-wall corrugated pipe foundation and its construction technology
A technology of double-wall corrugated pipe and construction technology, which is applied in infrastructure engineering, construction, etc., can solve problems such as high cost, long construction period, and cumbersome construction procedures, and achieve the effects of convenient construction, reduced construction procedures, and simple procedures
Inactive Publication Date: 2017-12-01
大同市政建设集团有限公司
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Problems solved by technology
Various methods of building foundations have their own advantages and disadvantages. Some construction procedures are cumbersome, some have long construction periods, and some are relatively expensive. During the comparison, research and practice of various methods, it is found that the bellows made of The circular foundation has obvious advantages when it meets the requirements of the building foundation
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[0013] The present invention will be further described below in conjunction with the accompanying drawings.
[0014] 1. The structure of the foundation
[0015] see figure 1 , a foundation foundation of HDPE double-wall corrugated pipe, including HDPE double-wall corrugated pipe 1 formed by placing several sections along the extension direction of the foundation pit and cutting from the horizontal circular chord direction of the top, passing through the HDPE double-wall corrugated pipe 1 and its The reinforcement cage 2 whose shape matches the inner cavity of the HDPE double-wall corrugated pipe 1 is used to connect the upper wall and fix the connection reinforcement 3 protruding from the upper part of the reinforcement cage 2, several clips 4 and anchor bars 5, two adjacent Sections of HDPE double-wall corrugated pipe 1 are connected together, and the reinforcement cages 2 of the inner chambers of two adjacent sections of HDPE double-wall corrugated pipe 1 are also connected...
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The invention relates to the field of building foundation engineering, in particular to a HDPE double-wall corrugated pipe foundation and a construction process thereof. The foundation comprises upper part-removed HDPE double-wall corrugated pipes and prefabricated reinforcement cages; and the prefabricated reinforcement cages are mounted in the HDPE double-wall corrugated pipes at the construction site, and are lifted in an excavated foundation pit by a crane. The segmented manufacturing and the segmented lifting are formed for the HDPE double-wall corrugated pipes and the reinforcement cages; reinforcements are welded in joints; and corrugated pipes are connected by two insertion pipes in butt joint. The corrugated pipes are manually placed; and the HDPE double-wall corrugated pipes are fixed on the foundation by spacing every a certain distance by clamping pieces and anchor ribs. Finally, soil layers are filled to reach the center heights of the pipes; and concrete is cast. The HDPE double-wall corrugated pipe foundation has such advantages as simple structural form, convenience for construction, shortening of the construction period, relatively lower manufacturing cost and excellent bearing capacity.
Description
technical field [0001] The invention relates to the field of building foundation engineering, in particular to a HDPE double-wall corrugated pipe foundation and its construction technology. Background technique [0002] The foundation construction of buildings has a long history. There are rammed earth foundations mixed with pottery pieces under the wooden pillars unearthed from the Neolithic site in Banpo Village, Shaanxi; The foundation is made of gravel; the trench of Luoyang Wangwan wall base is filled with braised soil fragments or a layer of flat large gravel. By the Warring States period, there were stone foundations. By the Yuanfeng period of the Northern Song Dynasty, the types of foundations had developed to pile foundations, raft foundations, bridge foundations on complex foundations, and embankment foundations, making the foundation types more and more perfect. Today there are strip foundations, independent foundations, raft foundations, box foundations and pil...
Claims
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IPC IPC(8): E02D27/00
CPCE02D27/00E02D2250/00
Inventor 苑晨星纪建华李建军董天祥韩鹏举善琦何斌谢瑞珍马富丽董晓强白晓红贺武斌郭昭胜曾国红
Owner 大同市政建设集团有限公司