1. The part steel plate and screw plug of U- steel bars. The steel plate and the are fixed with iron nails at the to .
2. The screw rod PVC to the from being to the parts as a whole, so as to . When , hit the screw rod with a to from the . Thus a part.
44
/ : times and of use of .
/scope: all .
1. The can be into and then . After being to the site, it will be . After use, it can be and in the to avoid the sun and rain.
2. It has the of , good , easy , easy , easy and long life. It not only saves , costs, but also saves space, which is to .
45 core tube inner steel
/ : the of the shaft , speed up the , and save costs.
/scope: to all kinds of .
1. The of steel + steel pipe is used to the mode of steel + steel pipe , which and can the speed in the shaft.
2. The frame body can be used in with all the of the .
46 large-area floor steel
/ : , speed up , , and save costs.
/scope: large area floor .
1. The bolt on the steel can the of the floor and the of .
2. The is good, the steel is , and it is not easy to be and . labor force, , ready-to- and use, the of . The steel can be and to save costs.
of 47 steel + steel box
/ : it can be more and and to the .
/scope: It is used for heavy-duty on the floor where and floor are .
1. , slab to .
2. The form of steel + steel box is to the load and the of the . At the same time, the of is saved to the of costs and . Both the box and the steel can be used .
48
/ : Speed ??up the , the of , save frame and labor, , and save costs.
/scope: All kinds of and and , high-rise and super high-rise .
1. The is and , which the that the of steel pipe and be , and the risk of .
2. The is safe and , the is good, and the image is .
49 -free for strip- roof
/ : easy , , input, and good .
/scope: It is for the of the belt- roof with and long equal span, side beams with pick-up , and pick-up with no slope.
1. The steel is of steel and , and the steel is by and guide rails. It has the of being and free of at the lower part, and an for the and of the strip roof.
2. The is , the cost is , the is , and the and are .
50 high-rise pump
/ : waste at the site, waste and , and .
/scope: high-rise .
1. Use the pump (waste ) to the of waste.
2. The water can be used as the water of the , and at the same time, the fine and other in the tank can be .
51 of C-type of Rib
/ : the of pre-, the loss of steel bars, and save costs.
/scope: where there are and steel bars need to be left.
1. After the is , a 1.5mm thick and thin steel plate is and into a C- , which is with the floor after in the later stage.
2. with the pre- , the C- steel bar has an rate of over 90%; it the loss of steel bar and can save more than half of the steel bar ; with bar , it can cost.
of 52 joint
/ : the is good, the is , and the of high-grade is .
/scope: beams, (walls) where there is a in and .
1. Use the self-made back flute with the quick and easy net to pour of on beams and (walls) to block .
2. The back flute is made of 12 steel, and it is in the to the floor the is . After the is , the back flute is taken out when the is , and .
53 Large- joint
/ : Good , , and loss.
/scope: large- joint .
1. is out by steel mesh, steel mesh and lead wire mesh.
2. with the , the is , which can the loss of and the cost of later ; the steel mesh is than the , which can the cost.
54 Pre- for pipes
/ : avoid the of water by the , and the .
/scope: riser.
The riser of the the pre- PLB (the + hole is pre- and once, and is with the ). It is pre- with the , and the pre- is with the upper and lower . There is no hole to avoid the of water by .
55 tower crane anti-
/ : anti-, for the of tower on the site.
/scope: tower crane.
1. The anti- is of steel mesh, chain locks, and .
2. It can be and by on-site waste , and the is . It is and quick to , and lift, and can be used .
56 tower crane to the wall , ,
/ : , easy and , the of high- with tower to walls.
/scope: tower crane to the wall .
The tower crane , and is made of steel, which is used for rest and tower crane the of . Safe and , image.
57 Meet
/ : and easy to , the that there is no when the limit.
/scope: of limit of tower , anti- tests of .
with are on site, and the limit of the tower crane is ; the anti-drop test of the is out . and easy to use, it can be used .
58 tower crane
/ : avoid the of from on the tower.
/scope: to tower .
1. It is by tube (or round steel tube) and steel plate and the of the tower crane and the floor. One end is on the slab, and the other end is to the floor by wire rope on both sides of the . Pull on the joint.
2. The saves time and , , shape, safe and , and can be used .
in the of Tower 59
/ : from the and the floor of the , and safe and on site.
/scope: The tower crane is the , such as: the roof, shop roof and other .
1. The is and for on-site ; raw such as and steel pipes are easy to ; it can not only , but also the need for .
2. Iron wires and iron nails can be used for the of the ; the can be ??with waste to save costs; after the is , it can from the , and the on site is good.
60 fall
/ : avoid the of from on the tower.
/scope: tower crane.
1. The anti- uses the in the speed of the for self-. use, it is in a semi- state, so that the has no sense of . In the event of a fall, the speed of the rope is , and the of the is .