Prefabricated bearing platform with joint bar grouted core and construction process of prefabricated bearing platform

Abstract

The invention discloses a prefabricated bearing platform with a joint bar grouted core and a construction process of the prefabricated bearing platform. The bearing platform comprises a bearing platform body and a core insertion rebar. The bearing platform body is provided with a groove structure with the inner diameter being greater than the outer diameter of a hollow pile or a stiff body. The core insertion rebar with a supporting plate is coaxially formed to the bottom face of the groove structure of the bearing platform body. The core insertion rebar and the supporting plate can be arranged in the hollow part of the hollow pile or in the hollow part of the stiff body. An injection hole which can communicate with the interior of the hollow pile or the interior of the stiff body and a grouting which can communicate with a gap between the outer side of the hollow pile or the stiff body and the side wall of het groove structure are formed in the bottom face of the groove structure of the bearing platform body. According to the construction process, the prefabricated bearing platform is manufactured at first, then an end plate of the constructed hollow pile or the stiff body is levelled, a cushion layer at the prefabricated bearing platform is constructed, the prefabricated bearing platform is hoisted, core grouting is conducted through the injection hole, and finally the gap between the prefabricated bearing platform and the hollow pile or the stiff body is grouted. The construction quality of the bearing platform is ensured, the construction progress is accelerated, and the utilization rate of turnover materials is increased.

Description

technical field [0001] The invention relates to an upper part of a rigid body, a single-pile single-column cap of an engineering pile and a construction process, in particular to a prefabricated cap with inserted ribs and a core and a construction process thereof. Background technique [0002] In recent years, with the rapid development of the logistics industry, more and more large-scale logistics warehouses have been built, especially in the eastern coastal areas. For logistics and warehousing, the load-bearing requirements on the ground of the first floor are high, generally reaching 30kPa or above, and the deformation control requirements are high. The total settlement is generally controlled within 100mm, including the long-term deformation control in the later period, but due to the The soil quality in coastal areas is relatively poor, and many deep muddy soil layers exceed 20m. The corresponding foundation treatment plan has become extremely important. How to effectiv...

AI Technical Summary

Problems solved by technology

The overall construction time of the original process is long, there are many working surfaces for workers, and the turnover materials such as formwork cannot be fully utilized. During the construction process of the cap, the workload of formwork reinforcement is relatively large at the same time

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