Equipment for resisting floating and sinking of capsule under-reamed anchor and use method of equipment

Abstract

The invention discloses equipment for resisting floating and sinking of a capsule under-reamed anchor. Floating and sinking of the capsule under-reamed anchor in a grouting process can be prevented bya guide screw connected with a capsule under-reamed anchor body, an anti-sinking controller on the guide screw, a steel beam and a fixing screw in an anti-floating unit as well as an anti-floating controller, a first clamping piece and a second clamping piece which are arranged on the fixing screw, so that height of the construction anchor exposed out of the horizon can be the expected height, welding or cutting is not needed any more, construction period is shortened, technological level of construction is increased, and materials and labor cost are saved. The invention further discloses a use method of the equipment for resisting floating and sinking of the capsule under-reamed anchor.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a device for anti-floating and sinking of an expanding-type anchor and a method for using the device for anti-floating and sinking of an expanding-type anchor. Background technique [0002] At present, during the construction of the building, the expansion bolt will float up during the grouting process, and will sink after the grouting. The sinking anchor rod is uneven on the bottom surface of the foundation pit, which will have a certain impact on the later construction. If the length of the anchor rod exposed on the bottom surface of the foundation pit is short, another section of the anchor rod needs to be welded or nut-socketed. If the length of the anchor rod on the ground plane is long, a part needs to be cut off to meet the anchorage height of the anchor rod in the later construction. Among them, due to the different lengths of the anchor rods for welding ...

AI Technical Summary

Problems solved by technology

[0002] At present, during the construction of the building, the expansion bolt will float up during the grouting process, and will sink after the grouting. The sinking anchor rod is uneven on the bottom surface of the foundation pit, which will have a certain impact on the later construction. If the length of the anchor rod exposed on the bottom surface of the foundation pit is short, another section of the anchor rod needs to be welded or nut-socketed. If the length of the anchor rod on the ground plane is long, a part needs to be cut off to meet the anchorage height of the anchor rod in the later construction. Among them, due to the different lengths of the anchor rods for welding or anchoring, the manufacture of the anchor rod is complicated, and the welding Or after anchoring, it needs to be tested and verified, which not only affects the construction period, but also adds materials and labor. In the existing technology, almost all anchors are used with higher anchor heights than the expected elevation. When floating and sinking occur Afterwards, the longer part was cut off to meet the expected elevation. In this way, not only was the material wasted, but also the designed anchor rod length was insufficient and the design bearing capacity was insufficient, leaving certain engineering hidden dangers

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