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Embedded structure for high pile foundation

A technology for foundation piles and fixed structures, which is applied in foundation structure engineering, sheet pile walls, buildings, etc., can solve problems such as the inability to realize the simultaneous deployment of auxiliary fixed structures, the low fixing efficiency, and the inability to realize the organic combination of steel frame protective structures. , to achieve the effect of improving convenience, improving smoothness, and improving anti-corrosion protection

Active Publication Date: 2020-10-13
浙江方大建筑设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the above-mentioned technical problems, the present invention provides an embedded structure for high-pile foundation piles to solve the existing one. Although the existing device can be provided with an auxiliary supporting structure to realize the protection of the depression of the high-pile foundation, but It is impossible to increase the contact area between the pile foundation and the ground to improve the bearing capacity of the pile foundation through structural improvement, and it is impossible to realize the organic combination of steel frame, prefabricated pipe and protective structure; It is often necessary to fix the ground nails, and multiple ground nails need to be fixed one by one when fixing, the fixing efficiency is low, and the simultaneous deployment of other auxiliary fixing structures cannot be realized when the ground nails are fixed.

Method used

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  • Embedded structure for high pile foundation
  • Embedded structure for high pile foundation
  • Embedded structure for high pile foundation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] as attached figure 1 To attach Figure 8 As shown, the embedded structure for the high pile foundation according to the preferred embodiment of the present invention includes a steel frame 1 , a prefabricated pipe 2 , a fixing structure 3 and a second fixing structure 4 . Wherein, the reinforced frame 1 is sleeved in the prefabricated pipe 2, and the tail ends of the reinforced frame 1 and the prefabricated pipe 2 are inserted into the soil, and the reinforced frame 1 is poured with cement. The outer wall of the prefabricated pipe 2 is sleeved with a fixed structure 3, and the fixed structure 3 is also inserted in the soil, and the fixed structure 3 is inserted with a second fixed structure 4. Reference as Figure 5 and Figure 7 , the second fixing structure 4 includes fixing pins 403, and there are two fixing pins 403, and the two fixing pins 403 are respectively plugged on the fixing plate A 301 and the fixing plate B 302; the two fixing pins 403 are also connecte...

Embodiment 2

[0036] as attached figure 1 To attach Figure 8 As shown, the embedded structure for the high pile foundation includes a steel frame 1 , a prefabricated pipe 2 , a fixed structure 3 and a second fixed structure 4 . Wherein, the reinforced frame 1 is sleeved in the prefabricated pipe 2, and the tail ends of the reinforced frame 1 and the prefabricated pipe 2 are inserted into the soil, and the reinforced frame 1 is poured with cement. A fixed structure 3 is sleeved on the outer wall of the prefabricated pipe 2, and the fixed structure 3 is also inserted into the soil, and a second fixed structure 4 is inserted on the fixed structure 3. Reference as Figure 5 and Figure 7 , the second fixing structure 4 includes fixing pins 403, and there are two fixing pins 403, and the two fixing pins 403 are respectively plugged on the fixing plate A301 and the fixing plate B 302; the two fixing pins 403 are also connected with the prefabricated tube 2 and the steel frame 1 are plugged t...

Embodiment 3

[0040] Reference as Figure 8 , the two fixed sleeves 303 are semi-circular structures, and the two fixed sleeves 303 are equal in size; the bottom surfaces of the two fixed sleeves 303 are all chamfered, so that the smoothness of the fixed sleeves 303 when inserted into the soil can be improved.

[0041] Reference as Figure 5 and Figure 6 , the fixed structure 3 also includes a fixed claw 304, a bottom claw 30401 and a protrusion 30402. There are four fixed claws 304 in total, and the left two fixed claws 304 are welded on the bottom surface of the fixed plate A301, and the right two fixed claws 304 is welded on the bottom surface of the fixed plate B302; the fixed claw 304 is composed of two bottom claws 30401, and the two bottom claws 30401 are welded with protrusions 30402 in a rectangular array, and the heads of the two bottom claws 30401 are pointed structure, so that on the one hand, the smoothness of the bottom claw 30401 can be improved when it plunges into the so...

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Abstract

The invention discloses an embedded structure for a high pile foundation. The embedded structure comprises a steel bar frame, wherein the steel bar frame is sleeved in a prefabricated pipe. Two fixingsleeves are arranged, and the two fixing sleeves are welded on the bottom end surfaces of a fixing plate A and a fixing plate B respectively; and when the fixing plate A and the fixing plate B are spliced with each other, the two fixing sleeves are in contact with each other, and the two fixing sleeves are in contact with the outer wall of the prefabricated pipe, so that the corrosion resistanceprotection of the part, immersed in the soil, of the prefabricated pipe can be improved. The embedded structure for the high pile foundation relates to the technical field of pile foundation auxiliarystructures, and solves the problems that the bearing capacity of the pile foundation cannot be improved by improving the contact area between the pile foundation and the ground through structural improvement, and the organic combination of the steel bar frame, the prefabricated pipe and the protection structure cannot be realized; and a plurality of ground nails need to be fixed one by one duringfixing, and synchronous unfolding of other auxiliary fixing structures cannot be realized when the ground nails are fixed.

Description

technical field [0001] The invention belongs to the technical field of pile foundation auxiliary structures, and more specifically relates to an embedded structure for pile foundations of high pile foundations. Background technique [0002] High pile foundation refers to the pile foundation at its lower part driven into the ground or mud surface, and the upper part of the high pile foundation is higher than the ground or mud surface line. Bearing type, etc. Since the high pile cap has a free length (the length of the pile above the ground or mud surface line), there is no soil support around the free section to bear the horizontal external force together, and the internal force and displacement of the pile body of the high pile foundation are lower than those under the same horizontal external force. The pile cap is larger, and its stability is therefore worse than that of the low pile cap. [0003] Chinese patent CN201410660120.4 provides an embedding structure for high p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/12E02D5/80
CPCE02D5/80E02D27/12
Inventor 邱忠虎方孝仲孙和建
Owner 浙江方大建筑设计有限公司