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A platform for research: civil engineering, architecture and urbanism
Prestressed anchoring structure system for pier assembly and pier assembly construction method
The invention discloses a prestressed anchoring structure system for pier assembly and a pier assembly construction method. The prestressed anchoring structure system comprises a bonding type fixed end anchorage device located in a base, a clamping piece type tensioning end anchorage device located at the top of a pier column, a steel strand cable and an embedded pipe. The embedded pipe is divided into two sections; the embedded pipe section I is arranged in the pier column, the upper end of the embedded pipe section I is hermetically connected with an anchor bearing plate, and the lower end of the embedded pipe section I is positioned at the bottom of a pier column; the embedded pipe section II is arranged in the base, the upper end of the embedded pipe section II is positioned at a splicing surface sealing notch in the top surface of the base, and the lower end of the embedded pipe section II is hermetically connected with the top of the horn-shaped anchor bearing plate; a splicing surface sealing ring is mounted at the splicing surface sealing notch in the top surface of the base; in the assembly state, in an inner cavity of the horn-shaped anchor bearing plate, a steel strand bundle containing the extrusion head and poured high-strength mortar are bonded and anchored, and force is transmitted into the base through the horn-shaped anchor bearing plate; and the bottom of the horn-shaped anchor bearing plate is hermetically connected with the end cover plate. The fixed end of the prestressed anchoring structure system is reliably anchored, and the requirement for pre-embedded construction is low; and the structure is simple and the cost is low.
一种桥墩拼装用预应力锚固结构体系及其桥墩拼装施工方法，该预应力锚固结构体系包括位于基台内的粘结式固定端锚具、位于墩柱顶部的夹片式张拉端锚具以及钢绞线索和预埋管；预埋管分成两段，预埋管段Ⅰ设在墩柱内，其上端与锚垫板密封连接、下端位于墩柱底部；预埋管段Ⅱ设在在基台内，其上端位于基台顶面的拼装面密封槽口处，下端与喇叭型锚垫板顶部密封连接；在基台顶面的拼装面密封槽口处安装有拼装面密封圈；装配状态下，在喇叭型锚垫板的内腔中，含挤压头的钢绞线束与灌注的高强砂浆粘结锚固，并通过喇叭型锚垫板传力到基台中；喇叭型锚垫板底部与端盖板密封连接。该预应力锚固结构体系固定端锚固可靠，对预埋施工要求较低；结构简单，成本较低。
Prestressed anchoring structure system for pier assembly and pier assembly construction method
The invention discloses a prestressed anchoring structure system for pier assembly and a pier assembly construction method. The prestressed anchoring structure system comprises a bonding type fixed end anchorage device located in a base, a clamping piece type tensioning end anchorage device located at the top of a pier column, a steel strand cable and an embedded pipe. The embedded pipe is divided into two sections; the embedded pipe section I is arranged in the pier column, the upper end of the embedded pipe section I is hermetically connected with an anchor bearing plate, and the lower end of the embedded pipe section I is positioned at the bottom of a pier column; the embedded pipe section II is arranged in the base, the upper end of the embedded pipe section II is positioned at a splicing surface sealing notch in the top surface of the base, and the lower end of the embedded pipe section II is hermetically connected with the top of the horn-shaped anchor bearing plate; a splicing surface sealing ring is mounted at the splicing surface sealing notch in the top surface of the base; in the assembly state, in an inner cavity of the horn-shaped anchor bearing plate, a steel strand bundle containing the extrusion head and poured high-strength mortar are bonded and anchored, and force is transmitted into the base through the horn-shaped anchor bearing plate; and the bottom of the horn-shaped anchor bearing plate is hermetically connected with the end cover plate. The fixed end of the prestressed anchoring structure system is reliably anchored, and the requirement for pre-embedded construction is low; and the structure is simple and the cost is low.
一种桥墩拼装用预应力锚固结构体系及其桥墩拼装施工方法，该预应力锚固结构体系包括位于基台内的粘结式固定端锚具、位于墩柱顶部的夹片式张拉端锚具以及钢绞线索和预埋管；预埋管分成两段，预埋管段Ⅰ设在墩柱内，其上端与锚垫板密封连接、下端位于墩柱底部；预埋管段Ⅱ设在在基台内，其上端位于基台顶面的拼装面密封槽口处，下端与喇叭型锚垫板顶部密封连接；在基台顶面的拼装面密封槽口处安装有拼装面密封圈；装配状态下，在喇叭型锚垫板的内腔中，含挤压头的钢绞线束与灌注的高强砂浆粘结锚固，并通过喇叭型锚垫板传力到基台中；喇叭型锚垫板底部与端盖板密封连接。该预应力锚固结构体系固定端锚固可靠，对预埋施工要求较低；结构简单，成本较低。
Prestressed anchoring structure system for pier assembly and pier assembly construction method
一种桥墩拼装用预应力锚固结构体系及其桥墩拼装施工方法
SU QIANG (author) / XIE ZHENGYUAN (author) / WU DONGMING (author) / LI WANGLONG (author)
2021-11-05
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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