Prestressed anchorage applications and classification introduced
2018-02-02 09:40:47
Prestressed anchors suitable for the construction process, concrete prestressed with the anchor. Generally used in bridge construction, pre-installed and then pouring concrete positioning, buried in concrete at both ends, that is, the two ends of the bellows, is to stabilize the tension when the jack end set. Permanent anchoring device used on concrete.
Prestressed anchors common can be divided into two categories, the tension end anchorage installed in the end of the prestressing tendon and can also be called anchor prestressed anchorage, the so-called anchor in the post-tensioning structure or member, In order to maintain the tension of the prestressing tendons and transfer them to the pull-pull anchor; the anchor end anchorage is installed at the end of the tendon and is usually buried in the concrete without the use of tensioned anchors. In the process of prestressed construction, protective devices should be provided in the dangerous area, and the operators should always stand on both sides of the components. It is strictly forbidden to stop standing in front of the anchorage device before anchorage, and no anchoring and prestressing tendons should be grasped after grasping the anchorage. It is suggested that the auxiliary prestressing tendons should be cut after grouting, and the anchorage should not be affected by the cutting force the impact of the wheel is best cut.
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