Construction technology for large-size cableway bridge engineering
A technology for engineering construction and cableway bridges, which is applied in the field of large-scale cableway bridge engineering construction technology, can solve the problems that the construction technology cannot meet the expected requirements, and achieve the effects of shortening the construction period, improving efficiency, and facilitating construction
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Embodiment 1
[0029] The construction technique of a large-scale cableway bridge project is characterized in that it at least includes anchorage system construction, load-bearing cable construction, and bridge deck system construction, wherein:
[0030] The first step, the anchoring system construction includes anchor hole construction, anchor rod construction, hole grouting, processing and installation of steel bars and formwork, concrete pouring of anchor beam 1 and buttress 2, concrete curing, first filling and anti-tension reinforcement anchor construction ;During the construction of the anchoring system, the surface of the anchorage position should be cleaned up to the bedrock of the mountain before the construction of the anchor hole. The stone dust is blown out and the opening of the hole is blocked, the anchor rod is inserted, and the hole is grouted, the steel bar and the formwork are installed, the anchor beam 1 and the pier 2 are concreted and cured, after the curing is completed,...
Embodiment 2
[0034] Taking Xingtai Grand Canyon as an example, such as figure 1As shown, the Xingtai Grand Canyon is located 80 kilometers west of Xingtai, bordering Shanxi, and belongs to the typical terrain and landform of the Taihang Mountains. The bottom of the Grand Canyon is about 25 meters wide, the upper mouth is 30-65 meters wide, and the vertical height is 78-100 meters. After 2000, it was developed into a tourist attraction in Xingtai. There is a 5-meter-wide scenic road at the bottom of the valley with a concrete road surface, and it receives about 50,000 to 100,000 tourists a year. The Hepingxia Bridge is located in the Hepingxia Tourist Area, and crosses the canyon at a relatively high level. The height difference between the bridge deck and the valley bottom is about 170m. The bridge is located on three cliffs, and the construction safety risk is extremely high.
[0035] 1. Construction of anchoring system
[0036] The oblique anchor rod is made of φ32 fine-rolled reba...
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Abstract
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