Hollow bolt manufacturers: explain in detail how to use prestressed hollow grouting bolts
- Categories:Industrial News
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- Time of issue:2020-08-21 09:10
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(Summary description)The anchor hole position and structure are accurately and precisely positioned, and the vertical beams and load-bearing beams are dug into the ribbed porch.
Hollow bolt manufacturers: explain in detail how to use prestressed hollow grouting bolts
(Summary description)The anchor hole position and structure are accurately and precisely positioned, and the vertical beams and load-bearing beams are dug into the ribbed porch.
- Categories:Industrial News
- Author:
- Origin:
- Time of issue:2020-08-21 09:10
- Views:
The anchor hole position and structure are accurately and precisely positioned, and the vertical beams and load-bearing beams are dug into the ribbed porch. The slope must be grooved, and the design plan requirements are deeply considered. The anchor hole should be drilled without water to prevent the slope geological standard from changing badly due to the drilling project.
The whole process of drilling needs to have a full-time staff to perform a detailed description of the geology and drilling conditions. If it does not conform to the design plan, the drilling must be stopped immediately and reported immediately, and certain effective measures must be taken.
After drilling the hole, use high pressure air to terminate the mud wall protection. There should be no clay or fine sand on the edge of the hole. The assembly of the framework template must be leveled and inseparable, and the static air specifications must be accurate and meet the design requirements. The surface of the stencil should be brushed with a release agent, which is conducive to ejection. When pouring concrete, the template should be fixed with supporting points. The structure should be constructed in blocks, and one piece is composed of 2-3 poles, load-bearing beams and top beams. A 2cm-wide deformation joint should be pre-embedded in the contact area of the adjacent structure, and the pitch-impregnated wood board that contradicts the specifications of the structure edge should be used to seal it.
Hollow grouting anchor rod and prestressed steel hollow grouting anchor rod construction technology introduction, key points of quality management and key points of engineering supervision, such as hole spacing, diameter and inclination angle meet the requirements of the design plan. The hole position is allowed to be biased to ±50 mm, and the nozzle elevation is 100 mm. The hollow grouting anchor structure has a flat, beautiful appearance and no surface. The strength of the concrete meets the requirements of the design scheme.
Building steel bar production and equipment are in line with the construction description of the inspection project, and the centerline deviation of the hollow grouting anchor rod is checked by ±3° to check the pulling force and length of the anchor cable (rod). The key point of the project construction hollow grouting anchor rod, prestressed steel hollow grouting anchor engineering construction design plan for the reinforced anchorage project slope foundation pit excavation, and passed the acceptance and compliance.
Before the construction work, the root pressure test of the pre-stressed anchor cable (rod) should be terminated, and there is no doubt that the construction work can be terminated after the main parameters of the reinforcement are anchored.
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