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Guigang steam pipeline installation welcome to inquire in the course of use, the steel pipe principal stress direction, that is, the equivalent defect length of the steel pipe axis direction is smaller than the straight seam pipe; secondly, because the pipeline steels are rolled steel plates, the impact toughness has greater anisotropy, the CVN value in the rolling direction can be 3 times higher than that perpendicular to the rolling direction. According to the different sliding modes, the thermal insulation structure of steel jacketed steel insulation pipe can be divided into inner sliding type and external sliding type 1 pipeline thermal insulation testing means to improve the anti-corrosion of conveying pipes and other steel. Joint installation, the heat preservation work of the joint is carried out on the project site, including the installation of the joint outer casing, the connection and sealing of the joint outer casing with the supervisor and the foaming work of the on-site joint, but does not include the welding of the joint part of the steel pipe.
The external wall thermal insulation technology of thermal insulation nail manufacturers has not been promoted in the construction field in this area for a long time. Thermal insulation project is familiar with all aspects of design, construction and supervision, and the construction team has not yet specialized qualification management. Supervision and acceptance standards are not matched, and a large proportion of technical product suppliers do not have on-site technical service capacity, which forms multi-level and complex conditions prone to defects in construction quality, especially in the construction process. Jiangjin thermal insulation nail Chongqing thermal insulation material according to the relevant regulations strict thermal insulation construction management is very important. The complete external thermal insulation technical scheme, construction scheme, on-site construction record card and working contact units of individual projects have the basic management functions to enable the developer, the construction contractor, the supervisor and the technical supplier to reach a consensus and jointly implement, construction and construction should be completed in time as the main management content.
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Joint installation? The company can send personnel to the project site to carry out the heat preservation work of the joint, including the installation of the outer casing of the joint, the connection and sealing of the outer casing of the joint with the supervisor, and the foaming of the on-site joint, but it does not include the welding of the steel pipe of the joint. (1) method? Sleeve joint, in this way, the joint casing adopts polyethylene casing with the same material and density as the prefabricated thermal insulation pipe casing, and the heat shrinkage belt is used to connect and seal between the polyethylene joint casing and the main pipe to ensure the watertightness of the joint. Then the joint is foamed in the foaming hole on the joint casing, and after the foaming is completed, the joint is sealed with high density polyethylene, and the
Polyethylene sleeve with mass density? Pipe-lower pipe-steel pipe welding-inspection (water pressure)-installation (pressure test)-foaming-sealing foam cell. Joint installation can send personnel to the project site to pick up? Head insulation work, including connection? The installation of the head outer casing, the connection and sealing of the joint outer casing with the supervisor and the foaming work of the on-site joint, but does not include the welding of the steel pipe of the joint part. () sleeve joint, in this way, the joint casing adopts polyethylene casing-lower pipe pipe welding with the same material and density as the prefabricated insulation pipe casing.
At 02:30 in the morning, Li Gai, supervisor of Jigao Jinquan Supervision Company, inspected the thermal insulation condition of the 50mT beam insulation shed in the precast beam yard of the construction project from Jiaozuo to Jiyuan along the Taihang expressway in Henan Province. In December in Henan, the temperature in the early morning has also reached below zero. In order to ensure the construction quality in winter, a large pedestal insulation shed is set up in the precast beam field, which provides a closed space for the steam maintenance of the precast beam and keeps the temperature around the beam relatively stable. The temperature in the thermal insulation shed was monitored and recorded in real time every 2 hours, and Li Gai, a young supervisor, took the initiative to undertake the inspection work in the latter part of the night.
Mr. Zhou of Chongqing drove to work and drove to an uphill section where he was suddenly blinded by a strong light, so he freed up a hand to adjust the front window visor. As soon as he left the steering wheel, he heard a loud noise and his car suddenly crashed into the big truck in front of him.
Judging from the trend in the past five years, digital technology has a profound impact on the development of the construction industry. Cloud computing, big data, Internet of things, mobile Internet, artificial intelligence and other business processes are getting closer and closer, and the integration of business IT has had a greater and greater impact on the construction industry. Business IT integration is to embed the technical capabilities into the business, with the business supervisor as the person in charge, and the business staff and technicians work together to form a digital team. Technological capability is one of the core competencies of an enterprise, but it is attached to people and cannot be assembled and used at will like tools, so digital transformation needs to carry human capabilities through the change of organizational mode. China State Construction Corporation in 2016-2018 is committed to building an open enterprise Internet platform based on private cloud with brand-new ideas and ideas, and the people involved in it all feel that the digitization of the construction industry is far below expectations.