Excavation piling and filling method

A technology for digging hole piles and pile holes, which is applied to sheet pile walls, buildings, and foundation structure engineering, etc. It can solve the problems of inability to ensure the compactness of pile heads, waste concrete, increase labor costs, etc., and reduce the process of removing pile heads , saving concrete and ensuring compactness
CN109098174AInactive Publication Date: 2018-12-28CHINA 19TH METALLURGICAL CORP
3 Cites 3 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA 19TH METALLURGICAL CORP
Publication Date
2018-12-28
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
Patent Text Reader

Abstract

The invention relates to the field of pile foundation construction, and aims to avoid the over-irrigation and guarantee the quality of the pile head. The method comprises the following steps: Step 1,making a steel mold; Step 2, installing the steel mold at the designing top of the pile; Step 3, pouring the concrete into the pile hole through the steel mold, after the concrete reaches the pile top, while observing the state of the flowing concrete until the concrete flowing out from the drainage hole is dense concrete, then the pouring can be stopped; Step 4, vibrating the concrete from the top of the pile with a vibrating rod to make it denser; Step 5, removing the steel mold. According to the invention, the steel mold is installed at the designing top of the pile, and the upper floatingslurry flows out from the drainage hole when the height of the pouring concrete is reaching the height of drainage hole. Finally, the concrete is vibrated and compacted by means of vibrating, which avoids over-irrigation and saves the concrete and the working procedure of breaking the pile head. At the same time, the compactness of the pile head is ensured by vibrating.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the field of pile foundation construction, in particular to a pouring method for hole-digging piles. Background technique

[0002] The construction process of the hole-digging pile is to drill a hole in the ground, put a steel cage in the hole, then extend the bottom end of the conduit into the bottom of the hole, and pour concrete into the hole from the top of the conduit. According to the construction specification, the silt at the bottom of the hole should be thoroughly removed after drilling, but it is difficult to completely remove the silt during the actual construction process. During the construction of the back cover, the first batch of concrete rushes out of the bottom of the conduit to flow and spread around the bottom of the hole, and is mixed with the flushing fluid in the hole to form a laitance dilution layer of a certain thickness, which forms a laitance on the top of the pile.

[0003] At present, superfilling...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More