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A platform for research: civil engineering, architecture and urbanism
Prestressed high-strength concrete mixed reinforcement sharp-corner pile and preparation method thereof
The invention discloses a prestressed high-strength concrete mixed reinforcement sharp-corner pile and a preparation method thereof. The outer section of a pile body is in an equilateral triangle shape, the inner section of the pile body is a circular cavity, and the pile tip part of the pile body is in a triangular pyramid shape; a steel reinforcement cage of the pile body comprises prestressed main steel bars, non-prestressed steel bars and stirrups; the prestressed main steel bars and the non-prestressed steel bars are arranged at intervals and longitudinally embedded in the pile body to form an equilateral triangle in a surrounding mode; the stirrups spirally surround the outer sides of the prestressed main steel bars and the non-prestressed steel bars; and an end plate is fixedly arranged at the tail end of the steel reinforcement cage, and the shape of the end plate is the same as that of the section of the pile body. According to the structure, when the pile body of each corner pile is extruded by a soil layer, external force from all directions can be mutually counteracted, and the internal force action of the section of the pile body is more balanced. The bending resistance and the shearing resistance of the pile body are superior to those of a prestressed concrete pipe pile and a mixed reinforcement pipe pile with the same diameter. In addition, the rigidity of the pile body is enhanced, and the hitting resistance and the anti-seismic property of the corner pile are also improved.
一种预应力高强度混凝土混合配筋尖角桩及其制备方法，其桩身的外截面形状为等边三角形，内截面为圆形空腔，其桩尖部分呈三棱锥形状；桩身的钢筋笼，包括：预应力钢棒主筋、非预应力钢筋、和箍筋；预应力钢棒主筋和非预应力钢筋间隔排列、纵向埋设在桩身内围设成一等边三角形，箍筋螺旋式环绕在预应力钢棒主筋和非预应力钢筋的外侧，钢筋笼的末端固定装设端头板，端头板的形状与桩身截面相同。本发明的结构使得角桩的桩身在土层的挤压下，来自各向的外力作用能够相互抵消，桩身截面的内力作用更加均衡。桩身的抗弯、抗剪性能均优于同直径的预应力混凝土管桩及混合配筋管桩。此外，桩身刚度的增强，也提高了角桩的耐打性和以及抗震性能。
Prestressed high-strength concrete mixed reinforcement sharp-corner pile and preparation method thereof
The invention discloses a prestressed high-strength concrete mixed reinforcement sharp-corner pile and a preparation method thereof. The outer section of a pile body is in an equilateral triangle shape, the inner section of the pile body is a circular cavity, and the pile tip part of the pile body is in a triangular pyramid shape; a steel reinforcement cage of the pile body comprises prestressed main steel bars, non-prestressed steel bars and stirrups; the prestressed main steel bars and the non-prestressed steel bars are arranged at intervals and longitudinally embedded in the pile body to form an equilateral triangle in a surrounding mode; the stirrups spirally surround the outer sides of the prestressed main steel bars and the non-prestressed steel bars; and an end plate is fixedly arranged at the tail end of the steel reinforcement cage, and the shape of the end plate is the same as that of the section of the pile body. According to the structure, when the pile body of each corner pile is extruded by a soil layer, external force from all directions can be mutually counteracted, and the internal force action of the section of the pile body is more balanced. The bending resistance and the shearing resistance of the pile body are superior to those of a prestressed concrete pipe pile and a mixed reinforcement pipe pile with the same diameter. In addition, the rigidity of the pile body is enhanced, and the hitting resistance and the anti-seismic property of the corner pile are also improved.
一种预应力高强度混凝土混合配筋尖角桩及其制备方法，其桩身的外截面形状为等边三角形，内截面为圆形空腔，其桩尖部分呈三棱锥形状；桩身的钢筋笼，包括：预应力钢棒主筋、非预应力钢筋、和箍筋；预应力钢棒主筋和非预应力钢筋间隔排列、纵向埋设在桩身内围设成一等边三角形，箍筋螺旋式环绕在预应力钢棒主筋和非预应力钢筋的外侧，钢筋笼的末端固定装设端头板，端头板的形状与桩身截面相同。本发明的结构使得角桩的桩身在土层的挤压下，来自各向的外力作用能够相互抵消，桩身截面的内力作用更加均衡。桩身的抗弯、抗剪性能均优于同直径的预应力混凝土管桩及混合配筋管桩。此外，桩身刚度的增强，也提高了角桩的耐打性和以及抗震性能。
Prestressed high-strength concrete mixed reinforcement sharp-corner pile and preparation method thereof
一种预应力高强度混凝土混合配筋尖角桩及其制备方法
TENG ZUJI (author) / YANG JINHUI (author) / YANG XIAOBIN (author) / DONG WEIDONG (author) / FENG SANGOU (author) / LIN LIHUA (author) / ZHOU YANWEN (author)
2021-10-19
Patent
Electronic Resource
Chinese
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