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CN203475850U 适用于不同结构部位分期施工的缓粘结预应力套管装置 失效 - 权利终止

适用于不同结构部位分期施工的缓粘结预应力套管装置
摘要：
一种适用于不同结构部位分期施工的缓粘结预应力套管装置，包括预埋套管、连接用的塑料护杯套和钢绞线，钢绞线包括先施工结构部分钢绞线区段和后施工结构部分钢绞线区段，先施工结构部分钢绞线区段剔除了护皮后表面涂抹有缓粘结剂，后施工结构部分钢绞线区段裹有护皮，两个区段连续，先施工结构部分钢绞线区段的长度为套管管体长度与锚固长度之和，先施工结构部分钢绞线区段外穿有预埋套管内，预埋套管一端与固定端锚具的承压板通过建筑胶粘结，与后施工结构部分钢绞线区段连接的端口套有塑料护杯套，塑料护杯套和后施工结构部分钢绞线区段靠近预埋套管管口部位通过防水胶带包裹。可广泛应用于贯通施工总周期较长的整道结构缓粘结预应力筋的施工。
摘要（英）：

A retarded-adhesive prestress casing pipe device suitable for stage construction of different structural parts comprises a pre-buried casing pipe, a plastic protective cup sleeve used for connection and a steel strand. The steel strand comprises an early construction part steel strand area section and a late construction part steel strand area section, a sheath of the early construction part steel strand area section is removed, the surface of the early construction part steel strand area section is coated with a retarded-adhesive agent, the late construction part steel strand area section is wrapped with a sheath, the two area sections are continuous, and the length of the early construction part steel strand area section is the sum of the length of a casing pipe body and an anchorage length. The pre-buried casing pipe penetrates outside the early construction part steel strand area section, one end of the pre-buried casing pipe adheres to a bearing plate of an anchorage device at the fixed end through construction adhesive, a port connected with the late construction part steel strand area section is sleeved with the plastic protective cup sleeve, and the plastic protective cup sleeve and the portion, close to a pre-buried casing pipe orifice, of the late construction part steel strand area section are wrapped with waterproof adhesive tape. The retarded-adhesive prestress casing pipe device can be widely applied to construction of whole trace structure retarded-adhesive prestress ribs, wherein the run-through construction total period is long.

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