1. Torsion shear bolts of steel structure are different from ordinary bolts. Torsional shear bolts for steel structures are usually used for connections. Common m16-m30. The performance of torsional shear bolts of very large steel structures is unstable and should be used with caution.

2.螺栓連接的建筑結構的主要部件，通常用于連接鋼結構扭剪螺栓。

2. The main components of bolted building structures are usually used to connect torsional shear bolts of steel structures.

3.普通螺栓可以重復使用，鋼結構扭剪螺栓不能重復使用。

3.Ordinary bolts can be reused, and steel structure torsion shear bolts cannot be reused.

4.鋼結構扭剪螺栓由高強度鋼（45鋼（8.8s），20MmTiB（10.9S））制成，是預應力螺栓，與扭矩扳手摩擦，施加預應力，壓力型螺絲從梅花頭螺栓通常由普通鋼（Q235）制成，剛剛擰緊。

4. The torsion shear bolt of steel structure is made of high-strength steel (45 steel (8.8s), 20 mmtib (10.9s)). It is a prestressed bolt. It rubs with a torque wrench to apply prestress. The pressure screw is made of Torx head bolt, which is usually made of ordinary steel (Q235) and has just been tightened.

5.普通螺栓通常為4.4，4.8，5.6和8.8。鋼結構扭剪螺栓通常為8.8和10.9，其中大部分為10.9。

5. Ordinary bolts are usually 4.4, 4.8, 5.6 and 8.8. Torsional shear bolts for steel structures are usually 8.8 and 10.9, most of which are 10.9.

6.普通螺栓孔不一定比鋼結構扭剪螺栓大。其實普通的螺栓螺栓孔比較小。

6. Ordinary bolt holes are not necessarily larger than steel structure torsional shear bolts. In fact, ordinary bolt holes are relatively small.

7.普通螺栓A，B級螺絲孔一般只比螺栓大0.3-0.5mm。 C級螺絲孔一般大于螺栓1.0-1.5mm。

7. Ordinary bolt A and B screw holes are generally only 0.3-0.5mm larger than bolts. Class C screw holes are generally 1.0-1.5mm larger than bolts.

8.摩擦式鋼結構扭剪螺栓通過摩擦傳動載荷，因此螺桿和螺桿孔的差異可達1.5-2.0mm。

8. Friction type steel structure torsional shear bolt drives load through friction, so the difference between screw and screw hole can reach 1.5-2.0mm.

9.壓力型鋼結構扭剪螺栓的標準傳動特性是確保在正常使用時，剪切力不超過摩擦力，摩擦式鋼結構扭剪螺栓也一樣。當負載再次增加時，連接板之間的連接相對滑動取決于螺絲的剪切力和孔壁的壓力，而普通螺栓，因此螺桿與螺絲孔之間的差異稍微小一些，為1.0-1.5mm。

9. The standard transmission characteristic of pressure steel structure torsional shear bolt is to ensure that the shear force does not exceed the friction force during normal use, and so does the friction steel structure torsional shear bolt. When the load increases again, the relative sliding of the connection between the connecting plates depends on the shear force of the screw and the pressure of the hole wall, while for ordinary bolts, the difference between the screw and the screw hole is slightly smaller, which is 1.0-1.5mm.

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