Hainan steel structure tells you: Reinforcing steel structure general method

Hainan steel structure tell you: the main method of reinforcement steel structure are: to reduce the load, accounting graphical configuration changes, increase primary structural member section and cohesion strength to prevent crack propagation and so on. When a mature experience, or may choose other reinforcement methods.
First, changes in accounting construct graphics
Changes in accounting graph structure reinforcement method refers to the choice of change load distribution, power transmission route, node properties and boundary conditions, the addition of an additional lever and support, prestressed, reinforced approach to consider measures such as work space to be constructed;
Changes in accounting construct graphical general reinforcement methods:
(A) can be used to construct the following add structure or component stiffness of reinforcement:
1, add support for the formation of spatial structure and press space construction checking;
2, plus add support structure located stiffness, or adjust the structure of natural frequencies in order to improve capacity and improve the structure constructed dynamic characteristics;
3, additional support or auxiliary rods so constructed slenderness ratio of reduction in order to improve its stability;
4, in the bay configurations focus on strengthening the rigidity of a column by column, so it accepts most horizontal force to relieve other column column load;
5, set the lever or moderately tensioned cable to enhance the rigidity of the tower and other structure construction.
(Ii) the method by bending pole can choose the following changes in cross section internal force reinforcement:
1, changes in load distribution, for example, a gathering will load into a plurality of sets load;
2, end support change, for example change the hinge is just knot;
3, or to simply add a center bearing support structure end adapter into a continuous structure;
4, adjust the seat position continuous structure;
5, the structure becomes strut-type structure;
6, prestressed.
(Iii) may take the following truss rod changes its method of internal force reinforcement:
1, additional struts to the strut-type truss structure change;
2, installing prestressed lever.
Second, increase the reinforcing member section
Increasing section reinforcing steel member selection, the selected cross-section should be conducive to strengthening the technical requirements of the way and consider the case of existing defects and injuries.
Third, the convergence of consolidation and reinforcement of convergence
Cohesion steel construction method, choose the welds, rivets, bolts and high-strength bolts general convergence process, should be based on construction needs reinforcing factors, intentions, by force, the construction and construction conditions, and consider the convergence of the method to determine the structure of the original .
Reinforcing steel structure is generally better to use the weld convergence, conflict-type high cohesion, or may choose welds and conflict-type high cohesion when mixed basis. Weld was elected with a link, you should choose assessed and approved welding technology convergence materials.
Fourth, the crack of revision and reinforcement
Structure effect due to repeated loading and material selection, construction, manufacturing, construction and other improper installation or generated when the scalable tendency to brittle fracture crack damage, should seek to amend. Severity before correction factors must analyze cracks and their impact, targeted to take measures to improve the structure of the actual work or reinforcement of the amendment should not be selected reinforcement member, should be dismantled to replace.