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首页> 外文会议>EUR 21431; Final Conference of Cost Action C12; 20050120-22; Innsbruck(AT) >Timber-concrete-composite with an adhesive connector
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Timber-concrete-composite with an adhesive connector

机译：木材-混凝土-复合材料，带粘合剂连接器

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In timber—concrete-composite structures the connection is traditionally achieved with mechanical means. The Swiss adhesive producer SIKA has developed a special adhesive which is capable of bonding the concrete both wet and hardened. Within the framework of the project, the wet process was researched. The first project phase was concerned with the possible displacement of the adhesive when the fresh concrete is poured onto the wet adhesive. Key parameters such as the concrete type and the falling height of the concrete were analysed. After the adhesive had been freshly applied onto the wood, a certain time delay was allowed for the adhesive to stiffen before the concrete was poured: this "stiffening time" also proved to be a key parameter. After the production parameters had been optimised, a number of timber-concrete-composites slabs were cast and tested in bending. The test results fully met the expectations. In a third phase, the suitability of the system for a reduced gluing area (e.g. T-beams) is scheduled to be tested.
机译：在木材-混凝土-复合结构中，传统上通过机械手段实现连接。瑞士胶粘剂生产商SIKA开发了一种特殊的胶粘剂，该胶粘剂能够将湿的和硬化的混凝土粘结在一起。在该项目的框架内，对湿法工艺进行了研究。第一个项目阶段涉及当将新鲜混凝土倒在湿胶上时胶粘剂可能的位移。分析了关键参数，例如混凝土的类型和下落的高度。在将粘合剂新鲜涂在木头上之后，在浇筑混凝土之前允许一定时间延迟使粘合剂变硬：这个“变硬时间”也是一个关键参数。在优化生产参数之后，铸造了许多木材-混凝土-复合板并进行了弯曲测试。测试结果完全符合预期。在第三阶段中，计划测试该系统对于减少粘合面积（例如T型梁）的适用性。

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