A hoop-connected phc pipe pile and a method for determining the size of its hoop
A PHC pipe pile, a technology to determine the method, applied in the direction of sheet pile wall, building, foundation structure engineering, etc., can solve the large disturbance of the soil around the pile, the difficulty of driving in, the insufficient friction of the soil around the pile, etc. problems, to achieve the effect of quality assurance
Active Publication Date: 2021-07-09
中电建路桥集团有限公司 +1
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Problems solved by technology
Commonly used hoop-type clamps protrude from the pile body to form bamboo joints. During the piling process, the hoop-type hoop protrudes from the pile body and is difficult to drive in. The soil around the pile is greatly disturbed by pile driving, and the soil around the pile is destroyed. Insufficient etc.
Method used
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[0034] Below, the present invention will be described in further detail in conjunction with the accompanying drawings and embodiments.
[0035] Such as figure 1 As shown, a hoop-type connected PHC pipe pile includes an upper pile body 1, an upper end plate 2 connected to the lower end of the upper pile body 1, a lower pile body 3, and a lower end head connected to the upper end of the lower pile body 3. Plate 4, and clamp 5. The outer diameters of the upper pile body 1 and the lower pile body 3 are the same, the outer diameters of the upper end plate 2 and the lower end plate 4 are smaller than the outer diameter of the pile body, and the upper end plate 2 and the lower end plate 4 are in contact with each other , There are grooves between the upper end plate 2 and the upper pile body 1 and between the lower end plate 4 and the lower pile body 3 .
[0036] The clamp 5 has a ring-shaped web 51 and flanges 52 disposed on the upper and lower ends of the web 51 and protruding in...
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The invention discloses a hoop-connected PHC pipe pile and a method for determining the size of the hoop. The position of the pile connection point of the hoop-connected PHC pipe pile is the same outer diameter as the pile body, which avoids the hoop protruding from the pile The body forms bamboo joints, so as to avoid problems such as difficulty in driving, large disturbance of the soil around the pile by pile driving, and insufficient frictional resistance due to damage to the soil around the pile. The hoop-type clamp pile connection avoids the influence of the welder's technical problems on the quality of the pile connection. At the same time, the method of determining the size of the clamp ensures that the clamp can adapt to the overall mechanical properties of the PHC pipe pile and the quality of the pile connection.
Description
technical field [0001] The invention relates to a PHC pipe pile body, in particular to a hoop-type connected PHC pipe pile and a method for determining the size of the hoop. Background technique [0002] Prestressed concrete pipe piles have the advantages of high single pile bearing capacity, low cost, fast construction speed, high work efficiency, good pile body integrity, strong corrosion resistance, and strong adaptability to geological conditions with large changes in the bearing layer. These advantages of prestressed concrete pipe piles make up for the shortcomings of traditional cast-in-place piles in bridge engineering. Prestressed concrete pipe piles, as a kind of energy-saving green foundation, are safe and environmentally friendly to use, can effectively reduce the impact on the surrounding environment, and can effectively save the amount of concrete and steel bars used in manufacturing. The essential step in the construction process of prestressed pipe piles is t...
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IPC IPC(8): E02D5/52E02D5/58
CPCE02D5/526E02D5/58
Inventor 彭银刚赵长春李东龚维明戴国亮曹小林
Owner 中电建路桥集团有限公司