Overall anti-seismic and strengthening method for masonry ancient pagoda
A technology of masonry and ancient pagodas, applied in the field of seismic reinforcement of masonry pagodas, can solve the problem that the overall stability of ancient pagodas is not significantly improved, delay the crushing failure process, improve ultimate compressive strain and compressive strength, and improve The effect of buckling resistance
Active Publication Date: 2014-11-19
NORTHWEST RES INST CO LTD OF C R E C
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[0007] The above reinforcement methods basically reinforce the local parts of the ancient pagoda, but do not significantly improve the overall stability of the ancient pagoda.
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[0043] Kuiguang Pagoda is a 17-storey brick hexahedron pagoda with a height of 52.67m and a weight of 34600kN. Its internal structure is unique, with double cylinders on the 1st to 10th floors, and single cylinders on the 11th floor and above. The height of the center of gravity of the tower is 22.60m, of which the height of the center of gravity of the 1st to 6th floor tower is 9.37m, and the height of the center of gravity of the tower of 7th to 17th floor is 33.74m. The outer tower wall is 1.22-1.62m thick, and the inner tower wall is 0.87m-1.16m thick. The spiral staircase has a width of 0.54m~0.75m and ends at the 10th floor. From the 11th floor, the inner and outer towers are integrated, and the inner wall of the inner tower is about 1.10m long. The door opening on the north side of the ground floor is 1.25m wide and 2.8m high, and the bottom surface is 0.48m higher than the apron; the window openings on the 2nd to 7th floors are 58cm wide and 98cm high; the window ope...
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The invention provides an overall anti-seismic and strengthening method for a masonry ancient pagoda. Section area of a used rebar in construction is calculated; grooves are carved in each pagoda face of each layer of pagoda body in the vertical direction; the grooves in the pagoda faces in the same direction correspond to one another, and the corresponding grooves in the pagoda faces in the same direction of different layers of pagoda bodies form placing grooves; through holes with the number being the same as that of the placing grooves are formed in dense eaves in a drilled mode; a plurality of rebar embedding holes are formed in a pagoda base in a drilled mode; rebar embedding is conducted on all the rebar embedding holes according to the rebar embedding requirements in the appendix A in the Technical Specification For Construction of Highway Bridge Reinforcement, and two reinforcing rods are arranged in each rebar embedding hole side by side; the external pagoda face and the internal pagoda face of each layer of pagodas body are respectively provided with two enclosing hoops; the external pagoda face and the internal pagoda face on the lower portion of each layer of dense eave are respectively provided with two enclosing hoops which are fixedly connected; all the enclosing hoops of the external pagoda faces are fixedly connected with the reinforcing rods; cement mortar is filled; cracks of the masonry ancient pagoda are strengthened and strengthening of the masonry ancient pagoda is finished. The strengthening method is more favorable for improving the overall stress performance of the ancient pagoda body, and the overall stability of the masonry ancient pagoda is greatly improved.
Description
technical field [0001] The invention belongs to the technical field of anti-seismic reinforcement of ancient buildings, and relates to a method for anti-seismic reinforcement of ancient masonry pagodas. Background technique [0002] Since the Tangshan earthquake, my country has made remarkable achievements in the research on the seismic resistance of industrial and civil buildings. Among the current standards promulgated by the Ministry of Construction, there are 18 codes, standards, and procedures related to earthquake resistance of buildings, structures, and engineering facilities. However, the anti-seismic research of ancient buildings in my country has progressed slowly, and no special anti-seismic codes and standards have been formulated so far. At present, only in the "Technical Specifications for Maintenance and Reinforcement of Wooden Structures of Ancient Buildings" (GB50165-92), the provisions for seismic identification and reinforcement of wooden structures of an...
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IPC IPC(8): E04G23/02E04B1/98E04H12/00
Inventor 孔德刚赵成江王逢睿胡明珠马周全于凯同刘世锋郑静王桢刘立志张永亮
Owner NORTHWEST RES INST CO LTD OF C R E C