A reinforcement method and structure for structural deformation joints
A technology of structural deformation and deformation joints, applied in marine engineering, construction, water conservancy engineering and other directions, can solve problems such as weak structure, achieve the effect of simple structure type, improve structural rigidity, and reduce the scope of plain concrete
Active Publication Date: 2019-07-26
CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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[0003] In order to solve the problem of structural weak areas caused by reinforcement in existing structural deformation joints, the present invention provides a method and structure for strengthening reinforcement at deformation joints, thereby effectively eliminating structural weak areas of deformation joints and improving structural security
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[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0016] look first figure 1 , figure 1 An implementation structure of an existing one is shown. It can be seen from the figure that the existing deformation joint 2 is set in the building structure 1, and the water stop 3 is set in the deformation joint 2. The structural reinforcement is composed of the surface longitudinal reinforcement 4, the bottom longitudinal reinforcement 5 and the transverse reinforcement 6. Under the influence of water 3, the surface layer and bottom longitudinal steel bars are broken at the deformation joints, and the joint surface steel bars cannot be closed, forming plain concrete area 7. From the analysis of the structural force, since the plain concrete area has no reinforcement constraints, the tensile strength of the plain concrete is low, and it is prone to damage under the action of external force.
[0017] ...
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The invention discloses a reinforced method of reinforcing bars of structural deformation joint and a structure thereof. A surface longitudinal rebar (4) and a bottom longitudinal rebar (5) are bended, the distance between the bended rebars and a water stop is equal to a thickness of a rebar protective layer, then a frame type reinforced rebar (9) is arranged on a vertical area, melding areas (8) are formed between the end part of the frame type reinforced rebar (9) and the surface longitudinal rebar (4) and between the end part of the frame type reinforced rebar (9) and the bottom longitudinal rebar (5) respectively, so that the rebar on the position of the deformation joint is enclosed to reinforce the structure reinforcing rebar of the deformation joint, remove a weak area of the deformation joint structure, and improve running safety of the structure. According to the reinforced method of the reinforcing bars of the structural deformation joint and the structure thereof, by adjusting the form of the rebar on the position of a traditional deformation joint together with the arrangement of a vertical reinforced rebar, the reinforcing bars on the position of the deformation joint is enclosed, the range of plain concrete around the deformation joint is reduced, structural strength of the deformation joint is improved, the weak area of the deformation joint is effectively removed, and structural safety of the deformation joint is improved.
Description
technical field [0001] The invention relates to the technical field of water conservancy and hydropower engineering, in particular to a reinforcement method for structural deformation joints and a structure thereof. Background technique [0002] In water conservancy and hydropower engineering buildings, in order to avoid deformation or damage to the building structure due to temperature changes, uneven foundation settlement or earthquake action, the structure is usually divided into several smaller independent units by using joints with a width of about 2 cm. Buildings have a strong ability to adapt to various deformations, and the joints are called structural deformation joints. In order to maintain the independence of each unit between the deformation joints, when the structure is reinforced, the steel bars generally do not pass through the deformation joints. The joint width of the deformation joint itself plus the protective thickness of the steel bar forms a plain conc...
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IPC IPC(8): E02B3/16
CPCE02B3/16
Inventor 李晓彬杜帅群湛正刚任兴普李水生
Owner CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD