Under the guidance of leaders at all levels and with the full cooperation of all departments of the project department, the construction organization has been continuously optimized
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The open tunnel is 8m long and 12.3m wide
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It is poured and formed by two lining trolleys
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In order to ensure the smooth pouring of bent cap and ensure the construction quality, the project department makes overall arrangement and advance planning, and formulates practical and feasible technical measures for mass concrete and rainy season construction through repeated study of the construction scheme
Under the condition of overcoming the influence of various adverse factors, the project department has successfully completed all beam and slab erection tasks in the bid section, provided a working surface for the construction of bridge deck system, and also provided a strong guarantee for the overall opening to traffic goal of the project on October 1
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He Haocheng / report source | various projects.
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The overall surrounding rock is poor, both of which are grade IV and V surrounding rock, which is a key control project of the project with great construction difficulty and high safety risk
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The raft foundation for this construction is 4# tower area raft, with a maximum length of 41.2m, a maximum width of 21.7M, a pouring thickness of 1.4m to 1.8m, and a total concrete volume of 1010m3
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The concrete pouring sequence, vibrating time and vibrating parts shall be strictly controlled to ensure that the quality of open cut tunnel meets the design requirements
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4 bridge, all beams and slabs of West mutual bid 2 in Qinghai were safely completed from production to erection
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The right line of houshenling tunnel 2 is 4530m long, including 754m class V surrounding rock, accounting for 16.64%; The left line is 4570m long, of which grade V surrounding rock is 707m long, accounting for 15.47%
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Under the normal operation of the quality assurance system and safety assurance system, the construction production has been steadily promoted to ensure the construction safety, quality and progress
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On August 13, the first raft foundation pouring of Huajiahu group 10 resettlement house construction project of phase I project of Hunan Nanxian project general contracting department was successfully completed
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On the one hand, organize and inspect the supply of raw materials on site to ensure sufficient materials and equipment in place; On the other hand, before the construction of open cut tunnel, organize technicians to carefully review the drawings, and carry out detailed technical disclosure and pre construction mobilization to the on-site construction team
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Before pouring, the project department also conducted a detailed inspection on the open cut tunnel reinforcement binding, waterproof board installation, trolley placement, retaining head formwork installation and other processes, which provided a strong guarantee for the smooth pouring of the open cut tunnel
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Lou Lin, Tian Kun / news the first raft foundation pouring of phase I project of Hunan Nanxian project general contracting department was successfully completed
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The completion of the raft foundation pouring not only marks the formal entry of the resettlement housing project into the main structure construction stage, but also strengthens the confidence of the project to complete the annual construction output value target
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The successful pouring of double open cut tunnel has opened a new situation for the follow-up construction of houshenling tunnel and taken a solid step towards the realization of tunnel connection
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Beam and slab erection is one of the key points in the key stage of the project
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The total length of xhsg-2 bid section of Xining Huzhu first-class highway expansion and reconstruction project is 14.98km, including 16 bridges, including 8 major bridges, 6 medium bridges, 1 interchange bridge and 1 ramp bridge
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During the construction of open cut tunnel, the project department shall strictly follow the standardized management requirements
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In order to realize the smooth pouring of open cut tunnel, the project department attaches great importance to it and plans in advance
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On August 13, the construction of double tunnel open cut tunnel at the exit of houshenling 2 tunnel of Shanxi Lihuo expressway project was successfully completed, marking a breakthrough in tunnel construction
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The entrance of the tunnel is an end wall portal
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The total length of bridges in the whole bid section is about 2799m, and a total of 986 prestressed box girders
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On August 13, with the smooth erection of the last beam and slab of Yaoma Village No
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News the construction of double tunnel open cut tunnel of houshenling 2 tunnel of Shanxi Lihuo expressway was successfully completed
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During the construction, the project management personnel followed the shift in the whole process, strictly controlled the whole process in an all-round way according to the established measures, and successfully completed the first raft pouring operation
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