A clamp for horizontal stretching of geomembranes in the laboratory
By using the arc-shaped interlocking of the upper and lower clamping plates and the fastening design of the lifting threaded rod, the problems of geomembrane clamp slippage and stress concentration are solved, and stable clamping and accurate measurement of horizontal tensile testing of geomembrane in the laboratory are achieved.
CN224435954UActive Publication Date: 2026-06-30ANHUI SHUIAN CONSTR GRP CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI SHUIAN CONSTR GRP CO LTD
- Filing Date
- 2025-03-06
- Publication Date
- 2026-06-30
AI Technical Summary
Technical Problem
Existing geomembrane clamps are difficult to hold securely in laboratory horizontal tensile tests, are prone to slippage, and perforation fixation can lead to stress concentration, affecting test results.
Method used
The design employs upper and lower clamping plates, using arc-shaped protrusions and arc-shaped grooves to interlock and clamp the geomembrane. It is secured by lifting threaded rods and pressure handles, and combined with chutes and rollers to reduce friction and prevent slippage and stress concentration.
Benefits of technology
It achieves a firm clamping method during tensile testing without damaging the integrity of the geomembrane, avoiding slippage and stress concentration, and improving testing accuracy.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224435954U_ABST
Abstract
This utility model provides a clamp for horizontal tensioning of geomembranes in a laboratory, and the device relates to the field of hydraulic engineering technology. The clamp includes an upper clamping plate, a lower clamping plate, and a sliding groove; the upper clamping plate includes an upper plate and a protrusion; the upper surface of the lower clamping plate has a groove, and rollers are fixed to the lower surface, with several pressure devices fixed to the edge; the sliding groove provides a sliding track for the rollers on the lower surface of the lower clamping plate. This utility model can effectively solve problems such as unstable clamping of smooth geomembranes, stress concentration due to clamping effect, and the influence of clamp gravity effect on the horizontal tensile force data of the geomembrane.
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