SHANGHAI CONSTRUCTION ENGINEERING FIRST CONSTRUCTION GROUP CO., LTD (China)
Inventor
Xu, Lei
Liu, Chenchen
Zhang, Yizhou
Li, Min
Li, Tingting
Peng, Chenxin
Chen, Yan
Yu, Siyi
Abstract
By means of a shifting device for an existing high-rise structure of the present invention, a lifting bottom plate is fixedly connected to the existing high-rise structure, and a bearing platform at the bottom of the existing high-rise structure is held below the lifting bottom plate. The weight of the lifting bottom plate and the weight of the bearing platform can effectively lower the center of gravity of the existing high-rise structure, thereby reducing the influence of disturbance on the existing high-rise structure during foundation underpinning, jacking and translation construction. In addition, a counterweight can be additionally arranged on the lifting bottom plate to further stabilize the existing high-rise structure.
SHANGHAI CONSTRUCTION ENGINEERING FIRST CONSTRUCTION GROUP CO., LTD (China)
Inventor
Xu, Lei
Li, Tingting
Yuan, Peng
Shi, Xiujun
Zhu, Zheng
Chen, Yan
Abstract
Disclosed are an existing house wall beam replacement structure and a construction method therefor. The replacement structure comprises a joist reinforcing structure, a short wall limb structure, an arch rib structure, and an inhaul cable structure. The replacement structure connects a joist and a reserved wall section into a whole, the arch rib structure is formed by an upper wall attaching steel plate, a lower wall attaching steel plate, an embedded steel plate, a wall penetrating bolt, and an arch wall body, and the arch rib structure forms an integral wall beam stress system by means of the embedded steel plate and the joist reinforcing structure, wherein the arch rib structure is compressed and transfers the load to the end of the joist reinforcing structure and then to the short wall limb structure. In the whole stress process, the joist reinforcing structure bears tension, and the arch rib structure bears pressure, so that a local masonry structure is replaced with a wall beam structure, and the overall safety of the structure after a bearing wall body is dismantled is guaranteed. The inhaul cable structure transfers part of the vertical load of the joist reinforcing structure to the arch rib structure, so that the load borne by the joist is reduced, the height of the joist is reduced, and a large clearance height is obtained.
SHANGHAI CONSTRUCTION ENGINEERING FIRST CONSTRUCTION GROUP CO., LTD (China)
Inventor
Xu, Lei
Zhu, Yimin
Tong, Yichang
Li, Ziqiao
Zhang, Yizhou
Abstract
The present invention relates to an inclining jacking-type steel platform construction apparatus and method for inclining walls having a large inclination angle, and aims to solve the problem in traditional steel platform construction of coordinating formwork overturning and steel platform inclination. The apparatus comprises a steel platform, a temporary support steel jig frame, a tetrafluoroethylene composite sliding structure and an inclination angle finetuning jack. The steel platform comprises a first steel platform system and a second steel platform system which are detachably connected, and a supplementary steel platform. The first steel platform system and the second steel platform system are fixed at a certain height below the bottom end of the retracting section of the inclining wall. The double-connector temporary support steel jig frame is arranged at the top end of a second straight wall section, and the supplementary steel platform is arranged on the upper section of the temporary support steel jig frame. The tetrafluoroethylene composite sliding structure is arranged between the temporary support steel jig frame and the top beam of the second steel platform system, and a synchronous pushing jack mechanism is arranged at the end of the tetrafluoroethylene composite sliding structure. Multiple inclination angle finetuning jacks are arranged at intervals between the platform base and the tetrafluoroethylene composite sliding structure. A positioning member is connected to an end of the supplementary steel platform close to the top beam of the second steel platform system.
SHANGHAI CONSTRUCTION ENGINEERING FIRST CONSTRUCTION GROUP CO., LTD (China)
Inventor
Xu, Lei
Zhu, Yimin
Tong, Yichang
Li, Ziqiao
Zhang, Yizhou
Abstract
The present invention belongs to the technical field of building construction, and particularly relates to a climbing type steel platform construction device and method for an outward-inclined wall, aiming to solve the problem that in conventional steel platform construction modes, the coordination between formwork overturning and steel platform outward inclination or other conversion construction systems needs to be considered. The device comprises a steel platform and a scaffolding system, the steel platform comprising an outer-side steel platform system and an inner-side steel platform system, and a rail base being arranged on a top beam of the supplemented steel platform system. The scaffolding system comprises a movable implementation scaffold and a temporary construction scaffold. The movable implementation scaffold comprises a scaffold body, a sliding bottom roller, anti-overturning snapping seats and limiting fixing blocks. The anti-overturning snapping seats are snapped onto the rail base along the length direction of a rail, the implementation scaffold body is fixedly connected to the sliding bottom roller by means of a connector, and the limiting fixing blocks are arranged on the front side and the rear side of the sliding bottom roller in an inverted capping mode and are fixed by means of bolts. Just by a single disassembly and supplementation of the steel platform, pouring construction of an upper outward-inclined wall section and a straight wall section can be completed quickly and safely.
SHANGHAI CONSTRUCTION ENGINEERING FIRST CONSTRUCTION GROUP CO., LTD (China)
Inventor
Xu, Lei
Li, Ziqiao
Shen, Yang
Chen, Yanzi
Zhang, Yizhou
Chen, Yan
Abstract
The present invention relates to the field of building construction, and provides a formwork hoisting device for inclined wall construction and a construction method therefor. The formwork hoisting device comprises at least two carrying pole beams, an outer steel large formwork assembly, an inner steel large formwork assembly, several connecting sleeves, at least two side-force-resistant structural members, at least two connecting lacing bars, several carrying pole fasteners and several pre-tightened self-locking clamps. The carrying pole beams are erected on the side-force-resistant structural members, and then the outer steel large formwork assembly and the carrying pole beams are buckled together by means of the connecting sleeves and the pre-tightened self-locking clamps, so that the outer steel large formwork assembly is hung on the carrying pole beams. The inner steel large formwork assembly is then hung on the outer steel large formwork assembly by means of split bolts, so that the load of the whole formwork system is transmitted to the side-force-resistant structural members by means of the carrying pole beams and is finally transmitted to the structure of the building itself. Meanwhile, the present invention further provides a construction method for the formwork hoisting device for inclined wall construction, which overcomes many problems such as high safety risks, high time and labor consumption, and high labor intensity which exist in the existing inclined wall construction process. Therefore, the construction method is more in line with the zero-risk, high-efficiency, and low-cost requirements of modern building construction.