摘要：【中文】本发明提供一种预制结构面混凝土单孔爆破试验装置和试验方法，试验方法包括用相似材料制备混凝土试件，在混凝土试件钻孔以形成爆破孔，并在混凝土试件上预制结构面，将所述CO₂相变致裂器的泄能头放入所述爆破孔内；对混凝土试件施加径向压力和轴向压力；在结构面的端部设置应变监测点；高速数字相机与起爆器同步连接，同时触发拍摄，持续采集爆破过程中混凝土试件表面的图像信息；利用数字图像相关方法记录观测区内混凝土试件表面的位移场和应变场。本发明提出的技术方案的有益效果是：可获得SC‑CO₂相变气‑动作用下预制结构面混凝土裂纹扩展行为及运动裂纹的位移场和应变场变化特征，揭示SC‑CO₂相变气‑动作用下预制结构面混凝土裂纹扩展规律。 【EN】The invention provides a single-hole blasting test device and a test method for precast structural surface concrete₂Placing an energy discharge head of the phase change cracking device into the blast hole; applying radial pressure and axial pressure to the concrete test piece; setting a strain monitoring point at the end part of the structural surface; the high-speed digital camera is synchronously connected with the detonator, and simultaneously triggers shooting to continuously acquire image information of the surface of the concrete test piece in the blasting process; and recording the displacement field and the strain field of the surface of the concrete test piece in the observation area by using a digital image correlation method. Hair brushThe technical scheme obviously provided has the beneficial effects that: can obtain SC-CO₂The concrete crack propagation behavior of the lower prefabricated structure surface for phase change gas-action and the displacement field and strain field change characteristics of the motion crack reveal SC-CO₂And (3) phase change air-action is based on the crack propagation rule of the concrete on the lower prefabricated structure surface.

摘要：【中文】本发明公开了一种装配式锚杆框格梁的施工方法结构，本发明是将现有的整体浇筑式锚杆框格梁分解成十字预制件和封头预制件两种不同的预制件；具体施工时，采用现场装配的方式提高边坡防护工效，使边坡防护工效接近边坡开挖工效，从而实现边坡由上至上开挖一级防护一级的规范要求。本发明可以将预制构件在专业预制场中集中预制完成后运至施工现场再进行装配施工。由于不需要象现有技术那样搭设模板，浇筑混凝土和等待混凝土固结的时间，大大加快了边坡防护的工效。因此，满足了边坡防护安全规范的要求，可以由上至下开挖一级防护一级进行施工，降低了滑坡和高处坠物伤人的安全风险。 【EN】The invention discloses a construction method structure of an assembled anchor rod lattice beam, which decomposes the existing integrally cast anchor rod lattice beam into two different prefabricated members, namely a cross prefabricated member and an end socket prefabricated member; during specific construction, the work efficiency of slope protection is improved by adopting a field assembly mode, so that the work efficiency of slope protection is close to the work efficiency of slope excavation, and the standard requirement of the slope from top to top for excavation of the first-level protection is met. The invention can transport the prefabricated components to the construction site for assembly construction after the centralized prefabrication of the prefabricated components in a professional prefabrication field is finished. Because the time for erecting a template, pouring concrete and waiting for concrete consolidation is not needed like the prior art, the work efficiency of slope protection is greatly accelerated. Therefore, the requirement of the safety standard of side slope protection is met, the first-level protection can be excavated from top to bottom for construction, and the safety risk that landslide and high falling objects injure people is reduced.

摘要：【中文】本发明公开了一种装配式锚索框格梁及施工方法，本发明的装配式锚索框格梁由交点预制件（1）与连接预制件（2）连接组成，交点预制件（1）按行列方式排列，并且交点预制件（1）与交点预制件（1）之间经连接预制件（2）相互连接；每个位于行列边缘并未与连接预制件（2）连接的交点预制件（1）的端头上均连接有封头预制件（3）；锚索（12）端头通过锚索卡件（13）与交点预制件（1）连接。本发明可以将预制构件在专业预制场中集中预制，然后运至开挖好的边坡安装即可。构件的预制有效避开了边坡开挖，形成了两项工作平行进行的局面有效保证了工程质量，现场装配安装极大地减少了工人在边坡上的施工时间，提高了工效，降低了高处坠落的安全风险。 【EN】The invention discloses an assembled anchor cable lattice beam and a construction method, the assembled anchor cable lattice beam is formed by connecting intersection point prefabricated parts (1) and connection prefabricated parts (2), the intersection point prefabricated parts (1) are arranged in a row-column mode, and the intersection point prefabricated parts (1) are mutually connected through the connection prefabricated parts (2); the end of each intersection point prefabricated part (1) which is positioned at the edge of the row and column and is not connected with the connecting prefabricated part (2) is connected with a head prefabricated part (3); the end of the anchor cable (12) is connected with the intersection prefabricated part (1) through an anchor cable clamping piece (13). The invention can carry out centralized prefabrication on the prefabricated components in a professional prefabrication field and then transport the prefabricated components to the excavated side slope for installation. The side slope excavation is effectively avoided in the prefabrication of the components, the situation that two works are carried out in parallel is formed, the engineering quality is effectively guaranteed, the site assembly and installation greatly reduce the construction time of workers on the side slope, the work efficiency is improved, and the safety risk of falling from a high place is reduced.

摘要：【中文】本发明提供一种CO₂相变气动作用下非贯通结构面扩展参数获取装置和获取方法，获取方法包括预制PMMA薄板，在薄板中部钻炮孔，预制非贯通结构面，一侧设箔式电阻应变片，另一侧喷制散斑；用微型相变致裂器进行CO₂相变气‑动加载；利用高速摄像机记录薄板表面的变化情况，记录裂纹起裂、扩展、贯通的整个过程；利用箔式电阻应变片和超动态应变测试系统获取裂纹的开裂应变及开裂时间；利用数字图像处理系统得到薄板表面的位移场，进而得到薄板表面的应变场，对比裂纹的开裂应变及开裂时间，分析裂纹扩展方向、扩展长度与扩展速度。本发明提出的技术方案的有益效果是：可同时进行数字图像测试和应变测试，测试方法效率高，成本低，可行性强。 【EN】The invention provides CO₂The acquisition method comprises the steps of prefabricating a PMMA thin plate, drilling blast holes in the middle of the thin plate, prefabricating the non-through structural surface, arranging a foil type resistance strain gauge on one side, and spraying speckles on the other side; CO treatment with miniature phase change cracking unit₂Phase change pneumatic-dynamic loading; recording the change condition of the surface of the thin plate by using a high-speed camera, and recording the whole process of crack initiation, propagation and penetration; acquiring the cracking strain and the cracking time of the crack by using a foil type resistance strain gauge and a super-dynamic strain testing system; obtaining the displacement field of the surface of the sheet by using a digital image processing systemAnd comparing the crack strain and the crack time of the crack in a strain field on the surface of the thin plate, and analyzing the crack propagation direction, the propagation length and the propagation speed. The technical scheme provided by the invention has the beneficial effects that: the digital image test and the strain test can be simultaneously carried out, and the test method has high efficiency, low cost and strong feasibility.

摘要：【中文】本发明公开了一种桩基声测管疏通装置，包括水箱（1），水箱（1）内设有水泵（2），水泵（2）经软管（3）与增压泵（4）进口端连接，增压泵（4）出口端经软管（3）与弯管（5）一端连接，弯管（5）另一端与阀门（6）一端连接，阀门（6）另一端与一组钢套管（7）连接，一组钢套管（7）底部设有疏通钻头（8）。本发明与现有技术中钻眼取芯的方式疏通桩基声测管堵管问题相比，具有疏通成本低，疏通效率高的优点，此外，本发明的装置还具有操作简单，实用性强，并可循环使用等优点。 【EN】The invention discloses a pile foundation sounding pipe dredging device which comprises a water tank (1), wherein a water pump (2) is arranged in the water tank (1), the water pump (2) is connected with the inlet end of a booster pump (4) through a hose (3), the outlet end of the booster pump (4) is connected with one end of a bent pipe (5) through the hose (3), the other end of the bent pipe (5) is connected with one end of a valve (6), the other end of the valve (6) is connected with a group of steel sleeves (7), and a dredging drill bit (8) is arranged at the bottom of the group of steel sleeves (7). Compared with the problem of dredging the pile foundation acoustic pipe to block the pipe in the drilling and coring mode in the prior art, the device has the advantages of low dredging cost and high dredging efficiency, and in addition, the device also has the advantages of simplicity in operation, strong practicability, recycling and the like.