Sinorock hollow bar anchor is suitable for all the strata

09/mar/2017 09:57:01 sinorockzqq Contatta l'autore

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Generally speaking, hollow bar anchor is suitable for all the strata that retaining wall and soil nail wall and also the prestressed cable bolt can apply to . For the anchoring technology which has drilling operation requirements, drilling is usually the most critical process and directly affect the bearing capacity of the hollow bar. Drilling in the loose stratum or the stratum with groundwater, there is severe hole collapse phenomenon so that it’s necessary to add the casing to match. The use of casing can improve drilling progress, but have adverse effect on the bond between the mortar and the hole wall and meanwhile increase the difficulty and cost of construction. The advantages of hollow bar system hollow bar system anchoring in slope: 1. Inverse construction method can provide immediate supporting and resisting power after excavation, which is benefit for controlling deformation of excavation slope. 2. Shearing strength of slope potential glide plane and weal structural surface can be enhanced. 3. Stress state of rock-soil body can be improved. 4. Actual pulling resistance and quality of anchor bolt can be inspected accurately.
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