钢结构安装形成空间刚度单元后，应及时对柱底板和基础顶面的空隙采用细石混

钢结构安装形成空间刚度单元后，应及时对柱底板和基础顶面的空隙采用细石混凝土二次浇灌。<br>钢构件运输时，应根据长度、重量选用车辆，钢构件在车辆上的支点，两端伸出的长度及绑扎方法均应保证钢构件不产生变形，不损伤涂层。<br>应按种类、型号、安装顺序分区存放并做好标识，钢构件存放时应采取措施防止变形。<br>钢结构安装、校正时，应根据风力、温差、日照等外界环境和焊接变形等因素的影响。<br>采取相应的调整措施。<br>钢结构的柱、梁、支撑就位后，应立即进行校正，固定，并应形成稳定的空间体系，防止变形。<br>钢柱安装时，每节柱的定位轴线应从地面控制轴线进接引上，不得从下层柱轴线引上。<br>钢结构及其平台、梯子安装的允许偏差应符合下表的规定。<br>钢结构安装的允许偏差<br>柱轴线对行列定位轴线的平行位移和扭转位移<br>定位线<br>柱基准点标 高<br>有吊车梁的柱<br>基准点<br>柱垂直度<br>高度H≤10m<br>H/1000且≤25.0<br>梁柱层间对角线之差（L1-L2）<br>相邻柱间距离（a）<br>梁标高（）<br>梁水平度（）<br>L/1500且≤5.0；<br>L为梁长<br>梁中心位置偏移（）<br>相邻梁间距（b）<br>平台、钢梯子和防护钢栏杆外形尺寸允许偏差<br>平台长度和宽度<br>平台两对角线差|L1-L2|<br>Flatness of platform surface (within 1m) <br>Length of beam (l) <br>Width of steel ladder (b) <br>Distance of mounting holes of steel ladder (a)

钢结构安装形成空间刚度单元后，应及时对柱底板和基础顶面的空隙采用细石混凝土二次浇灌。<br>钢构件运输时，应根据长度、重量选用车辆，钢构件在车辆上的支点，两端伸出的长度及绑扎方法均应保证钢构件不产生变形，不损伤涂层。<br>应按种类、型号、安装顺序分区存放并做好标识，钢构件存放时应采取措施防止变形。<br>钢结构安装、校正时，应根据风力、温差、日照等外界环境和焊接变形等因素的影响。<br>采取相应的调整措施。<br>钢结构的柱、梁、支撑就位后，应立即进行校正，固定，并应形成稳定的空间体系，防止变形。<br>钢柱安装时，每节柱的定位轴线应从地面控制轴线进接引上，不得从下层柱轴线引上。<br>钢结构及其平台、梯子安装的允许偏差应符合下表的规定。<br>钢结构安装的允许偏差<br>柱轴线对行列定位轴线的平行位移和扭转位移<br>定位线<br>柱基准点标 高<br>有吊车梁的柱<br>基准点<br>柱垂直度<br>高度H≤10m<br>H/1000且≤25.0<br>梁柱层间对角线之差（L1-L2）<br>相邻柱间距离（a）<br>梁标高（）<br>梁水平度（）<br>L/1500且≤5.0；<br>L为梁长<br>梁中心位置偏移（）<br>相邻梁间距（b）<br>平台、钢梯子和防护钢栏杆外形尺寸允许偏差<br>平台长度和宽度<br>平台两对角线差|L1-L2|<br>平台表面平面度（1m范畴内）<br>横梁长度（l）<br>钢梯宽度（b）<br>钢梯安装孔距离（a）

After the steel structure is installed to form the spatial stiffness unit, the gap between the column bottom plate and the foundation top surface shall be poured with fine aggregate concrete twice.<br>During the transportation of steel members, vehicles shall be selected according to the length and weight. The fulcrum of steel members on vehicles, the length extended at both ends and the binding method shall ensure that the steel members do not deform or damage the coating.<br>The steel members shall be stored in different areas according to the type, model and installation sequence, and shall be marked. Measures shall be taken to prevent deformation during the storage of steel members.<br>During the installation and correction of steel structure, the influence of wind, temperature difference, sunshine and other external environment, welding deformation and other factors shall be considered.<br>Take corresponding adjustment measures.<br>After the columns, beams and supports of the steel structure are in place, they shall be corrected and fixed immediately, and a stable space system shall be formed to prevent deformation.<br>When installing the steel column, the positioning axis of each column shall be led from the ground control axis, not from the axis of the lower column.<br>The allowable deviation of steel structure, platform and ladder installation shall meet the requirements of the following table.<br>Allowable deviation of steel structure installation<br>Parallel displacement and torsional displacement of column axis to row and column positioning axis<br>Location line<br>Column datum elevation<br>Column with crane beam<br>Datum point<br>Verticality of column<br>Height h ≤ 10m<br>H / 1000 and ≤ 25.0<br>Diagonal difference between beams and columns (L1-L2)<br>Distance between adjacent columns (a)<br>Beam elevation ()<br>Beam levelness ()<br>L / 1500 and ≤ 5.0;<br>L is the beam length<br>Beam center offset ()<br>Spacing between adjacent beams (b)<br>Allowable deviation of overall dimensions of platform, steel ladder and protective steel railing<br>Platform length and width<br>Difference between two diagonals of platform | L1-L2|<br>Flatness of platform surface (within 1m)<br>Beam length (L)<br>Steel ladder width (b)<br>Installation hole distance of steel ladder (a)<br>