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Changshu Shajiabang Town Ruixin Deformation Sewing Device Factory

Address: Santang Village, Southeast Economic Development Zone, Changshu

Contact: Mr. Jin

Mobile phone : 15150395077

Q Q: 451788552

Email: 451788552@qq.com


Does every building need to have deformation joints?

点击数:1393 2016-01-26 Hits: 1393

The elevation difference of the house facade is above 6M;
The house has split floors, and the floor height difference is large;
When the structural stiffness and mass of each part are completely different;
When high-rise reinforced concrete houses need to be provided with seismic joints, the minimum width of seismic joints shall meet the following requirements:
The width of the seismic joints of the frame structure house can be 70m when the height does not exceed 15m; when it exceeds 15m, the height of 6 degrees, 7 degrees, 8 degrees, and 9 degrees increases by 5m, 4m, 3m, and 2m respectively, and the width should be 20mm.
The width of the seismic joints of houses with frame-seismic wall structure can be 70% of the value specified in item ,, and the width of the seismic joints of houses with seismic wall structure can be 50% of the value specified in item 且;
When the types of structures on the two sides of the seismic joint are different, the joint width should be determined according to the structural type of the wider seismic joint and the lower house height.
When setting up seismic joints, the building should be separated into independent, regular structural units. The upper structures on both sides of the seismic joints should be completely separated. The seismic joints, expansion joints, and settlement joints should be considered comprehensively. The coordinated arrangement of expansion joints and settlement joints should comply with Requirements for shockproof seams. The width of the settlement joint should still consider the width of the shockproof joint that can still be satisfied after the inward inclination of the foundation reduces the joint width.
In addition, seismic expansion joints should be made where expansion joints and settlement joints are needed. The seismic joints should be set along the full height of the house and walls should be arranged on both sides. Generally, the foundation of the anti-seismic joint may not be disconnected, and the foundation is only disconnected when it also serves as a settlement joint.
The width of the shockproof joints is generally 50-100MM, depending on the height of the house and the design intensity.


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