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J shape anchor bolt
National standard: GB-T799-1988 anchor bolt
Tensile strength of anchor bolts: Is the cross-sectional area (at this time should be the effective area of the screw) multiplied by the yield strength of steel (Q235 yield strength is 235MPa).
The design stress is less than the yield strength due to the safety of the design value.
Anchor bolts are generally made of Q235 steel, which is round. Rebar (Q345) strength, do nut thread no light round easily.
For light round anchor bolts, the buried depth is generally 25 times the diameter, and then do a 120mm long around the hook of 90 degrees. If the bolt diameter is large (such as 45mm) buried too deep, it can be welded at the end of the square plate, that is to do a big head can be (but there are certain requirements).
Both the depth and the bend are to ensure the friction between the bolt and the base, and the bolt is not damaged. Basic profile: The tensile strength of the anchor bolt is the tensile capacity of the round steel, the size is equal to the cross-sectional area multiplied by the allowable stress value (Q235B:140MPa, 16Mn or Q345:170MPA) is the allowable tensile strength of the design.
Classification: The anchor bolt can be divided into fixed anchor bolt, movable anchor bolt, expansion anchor bolt and anchor bolt.
According to the appearance of different types are divided into:
L type embedded bolts, 9 - shaped embedded bolts, U - type embedded bolts, welding embedded bolts, bolts embedded in the floor.
anchor J bolt/jolding down J bolt/l bolt









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