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How to determine the size of beam column structure
Generally, the section of a column is determined according to experience, and then it is calculated in trial, or the section can be estimated according to the top force of the column.The section main beam of the beam is generally taken as about 1 / 10, and the secondary beam is taken as 1 / 15.T...Read more -
Common problems and preventive measures of steel structure installation（1）
8、 The embedded bolts of bearing shall not be inspected and accepted before the installation of steel roof truss Before the installation of steel roof truss, the installation unit does not check and accept the anchor bolts embedded in the column head support by the civil engineering unit.In thi...Read more -
Common problems and preventive measures of steel structure installation
1、 The positioning axis and supporting surface elevation of foundation are out of tolerance The positioning axis of the foundation and the elevation of the supporting steel column surface exceed the allowable deviation value of the specification. The causes are as follows: There are errors and ...Read more -
What are the quality requirements and inspection and acceptance requirements of roof waterproof engineering?
（1） Quality requirements of roof engineering The quality of roof works shall meet the following requirements during acceptance of divisional works: 1.There shall be no leakage or ponding in the waterproof layer. 2.The materials used in roof engineering shall meet the design requi...Read more -
Construction scheme for steel structure of plant roof
Steel structure construction scheme of a project Construction method 1. Construction process arrangement (1) Roof: color board mobilization — construction platform erection — gutter installation — lower plate installation — insulation cotton laying — roof panel in...Read more -
Learn to do steel structure budget step by step
Steel structure is the direction of future development. There are many people who can’t calculate the amount of civil engineering and steel structure. But if they don’t, they have to talk about that their wages can’t go up.Steel structure has always been separated from civil en...Read more -
How to make and install the roof truss of steel structure workshop?
Project overview The building size of the plant is 42m × 34.5m, The column spacing of the plant is 6m, The elevation of column top is 20.4m, The top elevation of roof truss is 35.508m, The elevation of skylight top is 39.341m. The roof truss is triangular, There are vertical supports between roo...Read more -
Surface treatment and storage method of ultra thin fireproof coating for steel structure
It has remarkable fire and heat insulation, moisture and corrosion resistance.It is widely used for steel structure fire protection of indoor and outdoor buildings and structures with fire resistance time less than 2.5 hours.A new type of fire retardant coating for steel structure is developed.I...Read more -
What is the most unfavorable arrangement of vertical load in frame structure design
Combination method of span division calculation According to different components, different sections and different types of internal forces, the most unfavorable internal forces are combined.There are different live load arrangements (span x floor).In order to reduce the calculation workload, t...Read more -
Six problems should be paid attention to in structural construction drawing review
1、 System control: 1On the application of special-shaped column frame and frame shear.Based on the fact that Jinan area is 6 degree area except Pingyin, the limit value of 7 degree is adopted according to Tianjin regulations, and all corresponding structures are adopted. The height width ra...Read more -
From walls, columns, beams to doors and windows, balcony, canopy, eight civil engineering quantities calculation range, formula, difficulties and precautions! Wall calculation
1Wall quantities The division of brick foundation and wall body is based on the first floor design indoor floor, and the upper part is the wall body; if the wall body and foundation are of two different materials, the different parts of the material are taken as the dividing line. (1) concrete w...Read more -
Several important quality control points of steel structure engineering
1.Foundation bolt embedment The embedded quality of anchor bolt directly affects the installation quality of steel structure. It is of great significance to control the position, perpendicularity, length and elevation of anchor bolt (Group) to reduce reaming and adjustment workload (even avoid r...Read more
