Adjustable scaffolding props

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可调节钢支撑

2.2-3.9M

内管：48*2.0*2200mm

外管：60*2.0*1850mm

花盘：120*120*5mm

销子：12直销

重量：11.2kg +/-5%

表面处理：预镀锌

Q: Seeking construction machinery safety supervision papers can be greater than 100 words: Seeking construction machinery safety supervision papers can be greater than 100 words

Q: For many years did not renovate the old house, the original is the kind of cement outside the gray, remove the gray + with cement and sand tiles, no glue, this method a square hand fee how much money? The original wall is to take the line, how to deal with. The local master said the line and the socket lifted up temporary hanging, finished tiles to say, can be decorated to electricity, I always feel this method is not safe, there is no better way?: Hello, "farmers from the building, the most important is the quality and safety

Q: What is the most important safety hazard at the construction site?: Civilized construction Site fencing Some works in the urban area of ??the main section of the site is not set above the 25m fence some site fence material is not strong, unstable, not clean, do not meet the local aesthetic requirements

Q: There is no shelter outside the scaffolding project has been accident accident case: When the construction unit dismantles the top steel formwork, the 18 steel pipes (4m long) and the fasteners are removed to the hanging plate of the frame, and five workers fall from the roof with the hanging plate

Q: There is a 6.0-kg pail of paint to one side.How close to the left end can he approach safely? How close to the right end can he approach safely? Can someone help me with this problem, I keep working and reworking it and coming to the same answer. I must be consistently making the same mistake. If someone can help me work through it I would really appreciate it. The answers I got were:Left: dmin, left = .54mRight: dmin, right = .77m: At the threshold of danger, the tension on the far rope reaches zero. (a) Distance from left edge = x; then summing moments about the left rope gives ΣM = 0 = 71.0kg * g * (1m - x) - 22.0kg * g * 2.0m - 6.0kg * g * 1m The g term cancels, and the rest solves to x = 0.296 m ? (b) Distance from right edge is X; summing about the right rope, and knowing the g terms will cancel, ΣM = 0 = 22.0kg * 2m + 6.0kg * 3m - 71.0kg * (1m - X) leads to X = 0.127 m ? Hope this helps!

Q: Is it necessary to use a mat on the floor? Is that norm prescribed?: Scaffolding load shall not exceed 270kg & nbsp; # 47; m

Q: for 10 sq. meters = ? h/sq. m. and how many person need to do the job?: It depend upon availability sorting of ledger to be used.If prop ledger has been transported sorted then three person can do 10 sqm in maximum 3/4 hour .i.e.0.075 h/sqm

Q: Also if its possible part B wants to know A ball thrown vertically upward is caught bythe thrower after 2 s.Find the initial velocity of the ball. Theacceleration of gravity is 9.8 m/s2Answer in units of m/sFind the maximum height it reaches.Answer in units of m: Use, Vf = Vo + g * t With Vo = 0 , Vf = g * t = 9.8 m/s^2 * 3.39 s = 33.222 m/s. part B, use the same equation, but take into consideration to watch for direction and adopt a convention. As before we have considered +ve for downward direction. Now Vf = 0 0 = Vo + g * t. Vo = - 9.8 m/s^2 * 2 s = -19.6 m/s . Negative means upward direction according to the adopted convention.

Q: I have a concrete transport arm pump, would like to ask which building materials companies need to use, can be resident: That is, the upper and lower with a pump on the 90-degree bend, the two of them with the root 1 m straight tube connected to each other, and the other round steel to do two large diameter 18 meters, and then some straight round 2 large circle made of a hoop, and then the two straight with elbow straight fixed Below the elbow tow pump up the pump tube, the top elbow root 2 m straight tube It can be in the range of 4 meters to rotate the fabric, such as to move the car can be used in place

Q: I would like to know what the scope of responsibility for the construction engineering supervision is specific: Especially when the project quality accident and other accidents need to be investigated, the supervising enterprise or the supervisor is often in a passive state of fear or fear , With the resignation of life to describe the situation at this time and then appropriate

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