螺栓本体数据主要包括高强钢丝、高强钢绞线、高强精密轧制钢丝等高强钢。
Bolt body data mainly include high-strength steel wire, high-strength steel strand, high-strength precision rolled steel wire and other high-strength steel.
可在拉伸载荷下自由拉伸。当这种局部伸长被固定或“冻结”时，会在岩体或各种结构上产生一定的预压应力。
It can be stretched freely under tension load. When this local elongation is permanently fixed or "frozen", a certain pre-compressive stress will occur in rock mass or various structures.
因此，锚杆体是完成对介质的张拉锚固的关键。
Therefore, the bolt body is the key to complete the tension anchorage of the medium.
目前我国预应力锚杆使用的主要数据为高强钢丝和高强钢绞线，少数工程采用细轧螺纹钢筋。
At present, the main data used for prestressing bolts in China are high strength steel wire and high strength steel strand, and a few projects adopt fine-rolled threaded steel bar.
为了使接触面具有足够的摩擦力，必须提高夹紧力，提高接触面摩擦系数。
In order to make the contact surface have enough friction, it is necessary to increase the clamping force and friction coefficient of the contact surface.
部件之间的夹紧力是通过对螺栓施加预紧力来实现的，因此连接部件(精轧钢筋、螺栓等)必须采用高强钢。
The clamping force between components is achieved by applying pre-tightening force to bolts. Therefore, high strength steel must be used to connect components (finishing steel bar, bolts, etc.).
它是由40Si2MnV或45SiMnV高强钢制成，具有的外螺纹轧制在整个钢筋上。
It is made of 40Si2MnV or 45SiMnV high strength steel with perfect external threads rolled on the entire steel bar.
带有内部精密钢锚的连接器或锚可用于连接或锚定任意截面。采用这种锚杆体，施工方便，锚固可靠。
Connectors or anchors with internal precision steel anchors can be used to connect or anchor arbitrary sections. With this kind of bolt body, the construction is convenient and the anchorage is safe and reliable.
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