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Concrete support pile comprising basalt fiber reinforcing bars

A basalt fiber and supporting pile technology is applied in sheet pile walls, excavation, construction, etc., which can solve the problems of reduced construction safety, easy cracking of concrete supporting piles, easy inclination of foundation pits, etc., and achieves light weight and saves basalt. Fiber reinforcement, which is beneficial to the overall stress effect

Pending Publication Date: 2018-08-17
ANHUI INST OF BUILDING RES & DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In order to ensure the safety or safe construction of the building in the foundation pit, it is necessary to install concrete support piles on the inner wall of the foundation pit. Due to the pressure on the inner wall of the foundation pit, the structure of the concrete support piles must be stable. In some special environments , the concrete support pile is also easy to crack, which greatly reduces the safety of construction
Existing concrete support piles are all round or square, and the contact area between the circular concrete support piles and the foundation pit is small, so the foundation pit is still easy to tilt, although the square concrete support piles have a large foundation area with the foundation pit , but wastes resources

Method used

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  • Concrete support pile comprising basalt fiber reinforcing bars
  • Concrete support pile comprising basalt fiber reinforcing bars
  • Concrete support pile comprising basalt fiber reinforcing bars

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as Figure 1-2 As shown, a concrete support pile including basalt fiber reinforcement, the concrete support pile 1 is a columnar structure, and the vertical cross-sectional area of ​​the side close to the soil layer is not less than the vertical cross-sectional area of ​​any position far away from the soil layer The concrete support pile 1 includes basalt fiber reinforcement 2 and steel reinforcement 3, and the basalt fiber reinforcement 2 is provided at the outer edge of the concrete support pile 1 where the shape changes. The vertical cross-sectional area of ​​the concrete support pile 1 decreases gradually in the direction from close to the soil layer to away from the soil layer. In this embodiment, the upper surface of the concrete support pile 1 is a combination of the trapezoidal part 11 and the arc-shaped part 12, the upper base of the trapezoidal part 11 is replaced by the arc-shaped part 12 tangent to the two sides of the trapezoid, and the lower base clo...

Embodiment 2

[0034] Such as Figure 2-3 As shown, a concrete support pile including basalt fiber reinforcement, the concrete support pile 1 is a columnar structure, and the vertical cross-sectional area of ​​the concrete support pile 1 near the soil layer is not less than that of any position far away from the soil layer. For the cross-sectional area in the vertical direction, the concrete support pile 1 includes basalt fiber reinforcement 2 and steel reinforcement 3, and the basalt fiber reinforcement 2 is provided at the outer edge of the concrete support pile 1 where the shape changes. In this embodiment, the upper surface of the concrete support pile 1 is a combination of a rectangular portion 13 and an arc portion 12, and the side of the rectangular portion 13 away from the soil layer and parallel to the soil layer is used as the diameter of the arc portion 12. In the example, the arc portion 12 is a semicircle. The outer edge of the concrete support pile 1 is smooth. The density of...

Embodiment 3

[0037] The difference from Reference Document 1 is that the height of the basalt fiber concrete 14 is 1m, and the weight of basalt fibers in the basalt fiber concrete 14 accounts for 3% of the weight of the whole basalt concrete.

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Abstract

The invention discloses a concrete support pile comprising basalt fiber reinforcing bars. The concrete support pile is of a columnar structure. The section area, close to one side of a soil layer, ofthe concrete support pile in the vertical direction is not smaller than that, in any positions of the soil layer, of the concrete support pile in the vertical direction; the concrete support pile comprises basalt fiber reinforcing bars; and the basalt fiber reinforcing bars are arranged at the shape changing positions at the outer edge of the concrete support pile. The concrete support pile has the advantages that the basalt fiber reinforcing bars is a composite material formed by adding auxiliary agents through a pultrusion process and surface treatment by taking the basalt fibers as a reinforcing material and synthetic resin as a base material. The concrete support pile has the advantages of being corrosion-resistant, high in strength and light in weight, and the crack-resisting abilityof the support pile is improved greatly by the reinforcing bars of the support pile. The columnar shape of the concrete support pile is arranged based on the material, so that the contact area of theconcrete support pile and the soil layer is increased. Moreover, the crack-resisting ability of the concrete support pile can be enhanced by using the basalt fiber reinforcing bars and arranging the positions.

Description

technical field [0001] The invention relates to the construction field, in particular to a concrete support pile comprising basalt fiber reinforcement. Background technique [0002] In order to ensure the safety or safe construction of the building in the foundation pit, it is necessary to install concrete support piles on the inner wall of the foundation pit. Due to the pressure on the inner wall of the foundation pit, the structure of the concrete support piles must be stable. In some special environments , Concrete support piles are also prone to cracking, which greatly reduces the safety of construction. Existing concrete support piles are all round or square, and the contact area between the circular concrete support piles and the foundation pit is small, so the foundation pit is still easy to tilt, although the square concrete support piles have a large foundation area with the foundation pit , but a waste of resources. Therefore, be badly in need of a kind of new co...

Claims

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Application Information

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IPC IPC(8): E02D5/34E02D17/04C04B14/46
CPCE02D5/34E02D17/04C04B14/4643
Inventor 郭杨吴平费广清柯宅邦高坤杨大顺
Owner ANHUI INST OF BUILDING RES & DESIGN
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