Large-scale bolt high-precision pre-burying construction method
A construction method and high-precision technology, which is applied in infrastructure engineering, construction, etc., can solve the problems that the pre-embedded precision cannot meet the design requirements, the construction period is difficult to be guaranteed, and the equipment cannot be used normally, so as to achieve positioning adjustment and reinforcement effects Good, convenient processing and layout, simple structure
Active Publication Date: 2013-10-16
陕西建工第十一建设集团有限公司
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Problems solved by technology
The above pre-embedded precision requirements are all higher than the standard requirements, so the construction is difficult
In actual construction, if the pre-embedded precision of large bolts does not meet the design requirements, it will affect the operation of the equipment, and even cause the equipment to fail to work normally.
At the same time, in the actual construction process, multiple repairs need to be carried out, and the cost of repairs is relatively large, and the construction period is difficult to guarantee
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[0061] Such as figure 1 As shown in the high-precision pre-buried construction method of large-scale bolts, the number of pre-buried large-scale bolts 1 is N, and the N large-scale bolts 1 are all buried in the foundation of the construction equipment, and the foundation of the construction equipment is a concrete foundation. Where N is a positive integer and N≥1; combined figure 2 , The structure and size of the N large bolts 1 are all the same, and the embedding depths of the N large bolts 1 are all the same. The large bolt 1 includes a screw with external threads on the top and is installed at the bottom of the screw The base is arranged coaxially with the screw, the large bolt 1 is arranged perpendicular to the foundation of the equipment to be constructed, the diameter of the screw is d1 and the height is h1, where 150mm≤d1≤500mm, 1200mm ≤h1≤2200mm; The construction equipment foundation includes the lower foundation cushion and the upper equipment foundation located above ...
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The invention discloses a large-scale bolt high-precision pre-burying construction method. The number of pre-buried large-scale bolts is N, all the large-scale bolts are pre-buried in a construction device foundation, the large-scale bolts comprise screw rods and bases, external threads are arranged at the top ends of the screw rods, the bases are arranged on the bottom portions of the screw rods, and the device foundation is divided into a lower foundation cushion layer and an upper device foundation with the plane where the bottom portions of the bases of the large-scale bolts are located as a boundary. The method comprises a first step of carrying out concrete pouring construction on the lower foundation cushion layer, a second step of carrying out measurement and paying off, a third step of mounting a bolt locating control rack, a fourth step of mounting a bolt reinforcing support, a fifth step of tensioning a locating steel wire net, a sixth step of mounting the large-scale bolts, a seventh step of removing the bolt locating control rack and the locating steel wire net, and an eighth step of carrying out concrete pouring construction on the upper device foundation. The method is simple in process, reasonable in design, convenient to achieve, good in using effect, and capable of simply, conveniently and fast achieving the high-precision pre-burying process of the large-scale bolts in the device foundation in high quality.
Description
Technical field [0001] The invention belongs to the technical field of large-scale bolt pre-buried construction, in particular to a high-precision pre-buried construction method of large bolts. Background technique [0002] In the process of industrial building construction, the requirements for the construction of the equipment foundation are getting higher and higher, and the embedded bolts in the equipment foundation are constantly developing towards the trend of large single body and high embedded precision (exceeding the precision required by the specification), so large bolts are high The precision embedded construction is very difficult, and the embedded construction efficiency is low, the construction period cannot be guaranteed, a large amount of labor and machinery costs are consumed, the investment cost is large, and the embedded accuracy of large bolts is not easy to guarantee. For example, when 8 large bolts 1 are embedded with high precision in an equipment foundati...
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IPC IPC(8): E02D27/44
Inventor 徐涛黄永根樊进李省安邢建军解崇晖王纾房桂梅张愿锋周其胜
Owner 陕西建工第十一建设集团有限公司
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