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PRESTRESSED ANCHORAGE DEVICE FOR STEEL WIRE STRAND WITH BIG DIAMETER 大直径钢绞线的预应力锚具
prestressed anchorage device 预应力锚具
Prestressed anchorage has been employed to reinforce northern slope of Haizhou open-pit coal mine in Fuxin City. 摘要阜新海州露天煤矿北帮边坡采用预应力锚固措施进行治理。
At present,very little test data is available about the peak shear strength between the grout and the bore wall in the interior bond section of prestressed anchorage cable. 关于锚索内锚固段注浆体与孔壁之间的峰值抗剪强度,目前很少有试验资料可供采用。
OVM Anchorage Device in Prestressed Reinforced Concrete 预应力工程中的OVM锚固体系
One kind of CFRP bars produced in China is used to replace normal steel reinforcing bars in unbonded prestressed concrete beams and the corresponding anchorage devices are developed at the same time. 采用国内生产的碳纤维塑料筋作为预应力钢筋制成了无粘结预应力混凝土梁 ,并开发了相应的预应力锚具。
As an important method to reinforce high rock slope,prestressed anchorage technique is widely used in the high rock slope reinforcement of the permanent shiplock in the Three Gorges Project(TGP). 作为边坡工程加固的重要手段,预应力锚固技术在三峡永久船闸高边坡综合锚固工程中得到广泛应用。
The safety and the crack resistance of the anchorage zone which exists due to the usage of large tonnage anchorage device, are the critical part of the structural design. 对采用大吨位特殊锚具的桥梁结构来说,锚固区的安全性和抗裂性是结构设计的关键部分,但现行规范还没有给出一种既精确又简易的验算方法。
In structure design, if this property is full used, it can help to decrease the dosage of the prestressing tendon, save anchorage device, reduce cost and minish invert arch. 工程设计中，若能充分利用部分预应力混凝土的这一特性，将可以减小预应力筋的用量，收到节约锚具、降低造价、减小反拱的效果。
After 30 days,the total prestressing loss of steel prestressed anchorage cable was 11.1%,while the total prestressing loss of AFRP prestressed anchorage cables were under 10.3%. 30 d后钢铰线锚索预应力损失为11.;1%25;AFRP锚索预应力损失小于10
The instantaneous prestressing loss of steel prestressed anchorage cable is 8.8%,while the instantaneous prestressing loss of AFRP prestressed anchorage cables were under 6.08%. 在张拉锚固阶段;1根钢铰线锚索的预应力损失为8.;8%25;3根AFRP锚索的预应力损失小于6
This paper analyses the mechanics characteristic of the anchorage device with clamping piecesduring the stressing and anchor stages. And several principles for anchorage design are proposed. 通过对夹片锚锚具组装件在张拉锚固各个阶段的锚固受力性能进行分析，提出了夹片锚设计除尺寸满足强度要求、尽量小巧外尚应遵循的几条原则。
pressure-dispersive prestressed anchorage cable 预应力锚索
The main construction processes of the tensioning system include the location and fixation of steel spiral rope, and the installation of anchorage groove, anchorage device and tensioning equipment. Its construction techniques are strict. 其张拉系统的施工主要包括钢绞线的就位、固定，锚具槽、锚具及张拉设备的安装，张拉等步骤，施工工艺严谨。
prestressed anchorage cable element 预应力锚索单元
low retracting prestressed anchorage 低回缩钢绞线锚具
An analysis was made of why the anchorage performance of clamp anchorage device is poorer than strength of steel strand, and an introduction is given to structure, working principle, and construction technology of BSM anchorage device. 北京石景山南站斜拉桥为独塔单索面稀索斜拉桥体系,针对该斜拉桥缆索锚固区的受力特点,以及国产锚具与国际标准的差距,分析夹片式锚具静力锚固性能低于钢绞线母材强度的主要原因,介绍BSM锚具的构成、工作原理及施工工艺。
To increase the tensioning force in a single tendon, various new types of special anchorage devices are adopted in the bridge engineering. 为了提高预应力束单束张拉力,多种新型的特殊锚具被应用到实际工程中。
On Design of Large Tonnage Prestressed Anchorage Technique 大吨位预应力锚固技术设计研究
This article describes in detail the technology and characteristics of the main parts of STM type prestressing anchorage, and also attaches importance to the technical improvement of the STM type. 阐述了STM系列锚具各主要构件的工艺性能和特点及其在同类产品中技术上的改进之处。