结构建筑体系具有稳定的基础和坚固的骨架，它逐渐影响着各行业的发展现状和未来前景。下面我们一起来了解一下钢结构工程施工的注意事项。

Structural building system has stable foundation and solid skeleton, which gradually affects the development status and future prospects of various industries. Let's take a look at the precautions for steel structure construction.

钢结构工程施工前要组织监理人员、施工单位技术人员对设计图纸及相关技术标准进行会审，做好技术交底。

Before the construction of steel structure works, the supervisor and the technical personnel of the construction unit shall be organized to jointly review the design drawings and relevant technical standards, and make technical disclosure.

济南轻型钢结构构件入场验收，确保质量满足设计要求，内容包括钢结构规格型号无误、除锈防锈、焊接质量等。

Jinan light steel structure members were accepted on site to ensure that the quality meets the design requirements, including the correctness of steel structure specifications and models, rust removal and rust prevention, welding quality, etc.

根据设计要求进行基础预埋地脚螺栓，并进行混凝土浇筑。

According to the design requirements, the foundation shall be embedded with anchor bolts and the concrete shall be poured.

现场吊装，遵循“先柱后梁、先下后上、从中间往两边”的吊装原则，先进行钢柱吊装，吊起柱脚与地脚螺栓相距30厘米左右时人工扶正后拧紧螺栓，完成钢柱安装;然后进行钢梁吊装，吊装椽条。

On site hoisting shall follow the hoisting principle of "column before beam, down before up, and from the middle to both sides". The steel column shall be hoisted first. When the distance between the column foot and the anchor bolt is about 30cm, the bolts shall be tightened after manual righting to complete the installation of the steel column; Then the steel beam shall be hoisted, and finally the rafters shall be hoisted.

对吊装结构进行校正，钢柱的校正用吊线锤检测，对出现歪斜的钢柱用垫板校正;钢梁的校正用水平仪检测后用千斤顶和倒链进行校正。

The hoisting structure shall be calibrated, the steel column shall be calibrated with a plumb bob, and the steel column with deflection shall be calibrated with a base plate; The steel beam shall be calibrated with a jack and chain block after being tested with a level gauge.

施工安全，因为钢结构工程的吊装涉及高处作业和人机协作，操作人员要佩戴安全帽，系挂安全绳，同时需要安全指挥员指挥吊装。

Construction safety, because the hoisting of steel structure works involves high-altitude operation and man-machine cooperation, the operators shall wear safety helmets and hang safety ropes, and the safety commander is required to command the hoisting.

建筑材料加工制造工艺准备：

Preparation for processing and manufacturing process of building materials:

材料需要有材质证明。

Materials shall have material certificates.

根据设计计算出的每根杆件下料长度和杆件规格，分类堆放，便于下一步施工。

According to the blanking length and specification of each member calculated in the design, it shall be stacked by category for the convenience of the next construction.

根据钢管的相贯尺寸，考虑壁厚和坡口的影响，采用自动切割机自动切割相贯线。

According to the intersecting size of the steel pipe and considering the influence of the wall thickness and groove, the automatic cutting machine is used to cut the intersecting line automatically.

济南轻型钢结构在焊接过程中，为了尽量减少节点处应力集中的不利影响，支管与主管之间的连接焊缝应在一周内连续顺利地进行焊接。如果主管有对接焊缝，营口应规划一个坡口，以确保焊缝熔透。

During the welding process of Jinan light steel structure, in order to minimize the adverse effect of stress concentration at the joint, the connecting weld between the branch pipe and the main pipe should be welded continuously and smoothly within one week. If the main pipe has butt weld, Yingkou shall plan a groove to ensure weld penetration.

质检人员对焊缝进行超声波探伤。如果发现不合格焊缝，应进行标记，并及时通知焊工返工。

Quality inspection professionals conduct ultrasonic flaw detection for welds. If unqualified welds are found, they shall be marked and the welder shall be informed to rework in time.

主桁架和次桁架应预组装成一个单元组并编号。

The main truss and secondary truss shall be pre assembled into a unit group and numbered.

济南轻型钢结构构件表面进行干喷砂除锈处理，等级为，刷两道油性防锈底漆，然后刷表面面漆。

The surface of Jinan light steel structure members shall be subject to dry sand blasting and derusting treatment. The grade is, and two coats of oil-based antirust primer shall be applied, and then the surface finish paint shall be applied.

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