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Design method of completely-assembling frame of low-rise building

A design method and fully assembled technology, applied in the directions of architecture, building construction, calculation, etc., can solve the problems of inappropriate design of beam-column frames with semi-rigid joints, and achieve the effect of improving design efficiency

Inactive Publication Date: 2016-08-31
CHONGQING UNIV
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Problems solved by technology

[0004] In view of this, the present invention provides a design method for a fully assembled frame of a low-rise building to solve the technical problem that the traditional beam-column frame design method is not suitable for designing a prefabricated beam-column frame with semi-rigid joints

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  • Design method of completely-assembling frame of low-rise building
  • Design method of completely-assembling frame of low-rise building
  • Design method of completely-assembling frame of low-rise building

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] The design method of the fully assembled frame of the low-rise building of the present embodiment comprises the following steps:

[0021] Step 1: Design the first joint connecting the beam on the column, design the second joint connecting the column on the beam, and connect the first joint and the second joint by bolts;

[0022] Step 2: Calculate the different initial stiffness values ​​of the beam-column joints;

[0023] Step 3: Make the bending moment diagram of the beam according to the specified load and different initial stiffness values;

[0024] Step 4: Set the corresponding beam and column dimensions according to the bending moment diagram; there are various dimensions and specifications of beams and columns that meet the force requirements set in this step;

[0025] Step 5: Take economy as the selection criterion, and select the most e...

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Abstract

The invention discloses a design method of the completely-assembling frame of a low-rise building. The method comprises the following steps: 1) providing a calculation model of different initial rigidity values of beam and column nodes; 2) according to existing load and the initial rigidity values, making a bending moment diagram of a beam; 3) according to the bending moment diagram, calculating the sizes of the corresponding beam and column; 4) selecting the cost-optimal sizes of the beam and the column; 5) calculating the amount and the position of connection bolts on the beam column nodes to cause the initial rigidity of the node to be equal to the set initial rigidity of the node; and 6) utilizing a semi-rigid calculation method to judge whether a plastic hinge occurrence position and an interlayer displacement angle meet requirements or not under earthquake load. The design method can quickly calculate the cost-optimal sizes of the beam and the column and reinforcements which meet bearing capacity and earthquake force requirements, and can greatly improve the design efficiency of a beam and column frame structure.

Description

technical field [0001] The invention relates to the technical field of construction, in particular to a design method of a beam-column frame. Background technique [0002] The nodes of the traditional house frame are rigid nodes. The design procedure of this frame structure is to first select the component size based on experience, and analyze the structure to obtain the internal force. Moment redistribution can be applied to adjust the proportions of the bearing and midspan moments, if desired. According to the calculated internal force, check whether the primary section can meet the requirements of the limit state of bearing capacity and the limit state of normal service. If it is satisfied, the analysis ends, otherwise adjust the component size, recalculate the internal force and check the member until the component size meets the structural layout and requirements. In the traditional design, the node design is the last step in the structural design process, that is, th...

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Application Information

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IPC IPC(8): G06F17/50E04B1/19
CPCE04B1/1903G06F30/13
Inventor 刘红军胡浩刘堃刘亚洲
Owner CHONGQING UNIV
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