1. Before welding rebar, we must first imitate the lap welding test of the reinforcement lap joint. It can be formally welded after passing the quality testing, and cage welders must have certificates for the construction post.
2. Set up the working platform for the manufacture of wire cages, the processing site, and production platform must be smooth. Make a circular reinforcement rig plate, study the production of cage welder’s stirrups, ensure the conformity of the shape of wire cages. The welding of the main reinforcement between joints shall be made by double side lap welding. The length of the weld should be not less than 5D (D is the diameter of the reinforcing steel bar). Within 1 meters length, the number of main reinforcement joints should be no more than 50%. It requires full welding and no slag inclusion. The length, width, and thickness of the weld should meet the requirements of the regulation.
3. When processing rebar on the operating platform, drawing the position of spiral rebar on the main rebar in order to ensure the accuracy of the construction. On the rebar work platform, the ends of the rebar will be folded to the side to ensure the alignment of the axis of the welded rebar. The spiral rebar must be tightly attached to the main rebar, and shall not be suspended, and shall be connected with the main rebar by 50% point welding.
4. The protective layer of the rebar framework (the rebar protection layer is 7omm) using the prefabricated heel block with the thickness of the protective layer, together with the steel cage, each 2m set, 4 each.
5. The processed reinforced wire cages shall be placed separately and numbered respectively. And under the horizontal padding, the wooden wedge shall be added on both sides of wire cages to prevent from falling down and deforming.
September 3, 2017State affairs cannot be well managed without good Party building. So we must be strict in Party discipline.Since the 18th national congress of the communist party of China, in the CPC central committe...view
August 10, 2017Intelligent manufacturing is an important driver of economic transformation and an important direction of supply-side reform. In order to solve the contradiction between supply and demand, Tianjin act...view
August 5, 2018The working structure of reinforcing cage forming equipment can be divided into three parts: control system, drive system, traction system, and a welding feed system. The main function of the control ...view
August 11, 2018Step 1: Main bar feedingShedding, butt welding, the length required for sleeve connection into drawings of the main bar in advance, and then hang on the main reinforcement storage rack to reserve.Step...view
September 2, 2017Building a community of shared future for all humankind and building a new type of international relations based on cooperation and mutual benefit, the Belt and Road initiative, the right approach to ...view
September 5, 2017It can save resources, reduce dust, solve building quality problems...There are many advantages to develop an prefabricated building. However, a comparative analysis of 48 demonstration projects in th...view