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Experimental Research on Rapid-solidification Inorganic Planting Bolt
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    Abstract:

    Through the experimental research on the compressive strength and setting time of inorganic cementitious materials under different mix proportion, a good mix proportion with better strength and condensation rate was obtained. In this mix proportion, the strength of test block for three days was 43.7 MPa, reaching 69.0% of the compressive strength of 28 days, and the setting time was less than 5 min with good performance in rapid solidificatio and high strength. Two different types of inorganic glass plastic bolt were made on the rapid solidification and high strength performance, and the drawing ultimate bearing capacity under different bar diameter,anchorage depth, anchorage angle and time factors was investigated through the anchorage drawing experiment. Based on the experimental phenomena, typical failure modes were summarized and relative anchorage length formula with data regression was put forward on the basis of ultimate bearing capacity drawing results.

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