张拉设备

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。

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 .

文章详细介绍了无粘结预应力混凝土衬砌方案有关洞身衬砌的结构布置、预应力混凝土结构的应力特性、预应力构件及张拉设备的参数论证和选型等内容。

This paper presents the structural layout of liner , characteristics of stress in pre-stressed concrete structure , argumentation on and selection of the parameters of the pre-stressed concrete elements and the stretching equipment , etc.

重点内容有预应力CFRP布的张拉设备，加固施工流程和技术要点以及试验研究。

These methods and technologies include tension equipments of prestress CFRP cloth , its construction process and key technical points , and test data and so on .

预应力箱梁施工张拉设备的校验与标定

Inspection and Calibrating of Tension Equipment in Prestress Box Girder Construction

预应力钢筋张拉设备卷扬机式钢筋冷拉机

Stretching equipment for prestressing reinforcement winch type cold-drawing machine

预应力钢筋张拉设备冷拉光条，光亮冷拔钢条

Stretching equipment for prestressing reinforcement bright-drawn bar

在高层建筑施工中采用大跨度无粘结预应力技术，并对其中的铺放技术、穴模加工、张拉设备等进行改造，使工程质量得到保证，成本也有降低。

The adoption of large-span bond-free prestressed concrete technology and tensioning device have ensured construction quality and saved construction cost of highrise building .

本工程注意选择配套锚具及张拉设备，控制张拉应力及伸长率，使无粘结预应力达到质量要求。

If mating anchorages and stretching devices are selected carefully , and tensile stress and elongation are controlled , the unbonded prestressing will certainly meet its quality requirements .

对预应力混凝土桥梁张拉设备种类选择及标定方法、预应力的伸长值的测量方法以及预应力筋滑丝与断丝处理等若干张拉技术问题进行了探讨。

This paper discusses tensioning techniques of beams for prestressed concrete bridge . These techniques include selection and calibration of equipment , measurement of elongation , and handling with sliding and broken wires .

本文利用自控技术与预应力张拉设备结合，通过张拉机器人与系统内部的可编程控制器进行数据交换，直接进行预应力张拉，从而实现施工过程的自动化的施工工艺。

Combined automatic control technology with tensioning device , the prestress was tensioned directly by data change between tensioning robot and programmable automatic controller in system , the automatized process of construction could be practiced .

针对法国ACB公司的型材2D张臂式拉弯设备，基于MATLAB开发了型材拉弯机构运动仿真系统。

A machine animation system was developed based on MATLAB to simulate 2D stretch-wrap bending process of profiles under the displacement control forming mode .