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Strengthening apparatus for round-arch casing foundation

A technology of shell foundation and strengthening device, which is applied in the repair of basic structure, basic structure engineering, construction, etc., can solve problems such as cracking of welding seam of bottom plate

Active Publication Date: 2009-11-18
BAOSHAN IRON & STEEL CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0006] The purpose of the present invention is to provide a reinforcing device for the base of the circular arch shell, which is installed on the original base of the circular arch shell to slow down the further settlement of the cabinet body and solve the problem of the bottom plate welding seams being pulled due to uneven settlement of the cabinet bottom plate. cracks, and reduce the circumferential tension of the ring foundation beam to prevent deformation and transverse cracks, thereby eliminating the hidden dangers of gas leakage in the cabinet that may endanger the safety of personnel and equipment due to the above situations

Method used

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Embodiment Construction

[0023] The strengthening device of the circular arch shell foundation of the present invention is characterized in that it comprises a steel ring beam and a reinforced concrete layer, and its invention process is as follows:

[0024] Step 1: First, deal with the original concrete floor and foundation, consider removing the steel floor and asphalt mortar layer 3, and then chisel all the original concrete floor. The second step: Involves structural measures to prevent the subsidence of the base plate and bear the thrust of the dome base plate, and elastically connect with the original circular foundation beam. Step 3: Design a new reinforced concrete floor structure, fix it with the newly added steel ring beam, and finally form a new dome-shaped overall structure with the foundation ring beam. Step 4: Lay the asphalt mortar layer and steel floor according to the original design procedure.

[0025] The specific embodiments of the present invention will be further described below...

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Abstract

The invention relates to a reinforcing device for the foundation of a circular arch shell, which is used for repairing the problem of uneven settlement of the bottom foundation of the circular arch shell. It mainly includes a steel ring beam structure set on the inner side of the ring foundation beam at the bottom of the shell, and a reinforced concrete layer added to the concrete bottom plate, which is fixed by welding to form a whole dome structure bearing force, thus solving the problem of the circular arch shell The uneven settlement of the bottom of the body, and the resulting cracks in the foundation ring beam and the steel bottom plate of the shell, etc., have eliminated the safety hazards such as harmful chemicals in the shell, such as gas leakage, and the effect is remarkable. It is suitable for promotion in the field of chemical storage and transportation facilities such as gas cabinets.

Description

technical field [0001] The invention relates to a strengthening device for a circular arch shell foundation, in particular a device for repairing uneven settlement of a circular arch shell foundation. Background technique [0002] As the main storage and peak-shaving equipment of the gas system, gas cabinets are widely used in metallurgy, petrochemical and city gas industries. Baosteel currently has 8 gas cabinets, of which the 2# converter gas cabinet was built in 1992, which is the first independent design and manufacture in China. After being put into operation for more than ten years, the foundation part of the arched shell of the gas tank has unevenly settled, causing the weld seam of the bottom plate of the arched shell above the foundation to be pulled apart, and the ring-shaped foundation beam around the bottom of the gas tank is also broken. There are radial cracks and gas leakage, which seriously threatens the safety of human life and equipment. [0003] The orig...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D37/00E02D27/32
Inventor 胡继明傅金华王汉忠周宏林
Owner BAOSHAN IRON & STEEL CO LTD
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