How to put the reinforcement cage into the steel pipe for the immersed pipe cast in place pile? Whic

Immersed tube pile: refers to the use of hammer piling method or vibration piling method, with a flap pile tip or prefabricated reinforced concrete.

The steel casing of the pile shoe is sunk into the soil, and then the concrete is poured (or a steel cage is placed in the pipe first), and the pipe is pulled out while hammering or vibrating. The former is called a hammered immersed tube pile, and the latter is called a vibrating immersed tube pile.

The process of piling immersed pipe cast-in-place pile is: pile driver in place, hammering (vibrating) immersed pipe, loading and pulling the pipe while hammering (vibrating), and continue to pour the concrete under the reinforcement cage, continue to pour concrete and pull the pipe into a pile.

Pile foundation. Reinforcement cage construction characteristics: In general, when the reinforcement cage is not required, manual binding of the reinforcement cage can be used, such as the pile foundation is deep or the pile diameter is large.

The reinforcement cage with better solidity and firmness (made by rolling welding machine of reinforcement cage) is used to meet the high requirements of pile foundation construction technology and improve the firm stability of pile foundation.

Immersed tube piles are one of the many types of pile foundations in civil engineering and construction projects. Immersed tube piles are also known as pipe pulling. It is the use of pile sinking equipment, the steel pipe with reinforced concrete pile shoes (flap pile shoes) is sunk into the soil, the pile hole is formed, and then the steel skeleton is put into the concrete and the concrete is poured, and then the casing is pulled out, and the concrete is compacted by the vibration when the pipe is pulled, and the required cast-in-place pile is formed.

The use of hammer sinking equipment to sink the pipe and pull the pipe into a pile is called a hammer sinking pipe cast-in-place pile. The use of vibrator to vibrate immersed tube and pull the pipe into piles is called vibrating immersed tube cast-in-place pile. In order to improve the quality and bearing capacity of the pile, the construction techniques such as single-beating method, double-beating method, and flipping method are often used for immersed tube cast-in-place piles.

Singles method (also known as one-time extubation method): when extubating, every lift, vibrate for 5 10s, and then extubate, and so on until all are pulled out; Double-beating method: two consecutive singles in the same pile hole, or partial double-beating as needed.

During construction, it should be ensured that the axes of the two immersed tubes before and after coincide, and be carried out before the initial setting of concrete; Flip method: every time the steel pipe is lifted, then inserted down, and so on repeatedly until it is pulled out.

After the immersed tube is in place, take the pile cap and hoist the reinforcement cage from above.

Whether the steel pipe cast-in-place pile reinforcement cage is placed or not, how to put it in.

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The steel pipe cast-in-place pile reinforcement cage is not put in, and how to put it in, such as the sinking pipe cast-in-place pile: refers to the use of hammering piling method or vibration piling method, the steel casing with a flap pile tip or prefabricated reinforced concrete pile shoe is sunk into the soil, and then the concrete is poured (or the steel cage is put in the pipe first), and the pile is pulled out while hammering or vibrating. The former is called a hammered immersed tube pile, and the latter is called a vibrating immersed tube pile.

The process of piling immersed pipe cast-in-place pile is: pile driver in place, hammering (vibrating) immersed pipe, loading and pulling the pipe while hammering (vibrating), and continue to pour the concrete under the reinforcement cage, continue to pour concrete and pull the pipe into a pile. Youcong pile foundation reinforcement cage construction characteristics:

In general, when the requirements for the reinforcement cage are not large, manual binding of the reinforcement cage can be used, such as making the pile foundation deeper or the pile diameter is larger, it is advisable to use the mechanism reinforcement cage (made by rolling welding machine of reinforcement cage) with better solidity and good slippery cherry blossom firmness, so as to meet the high requirements of the pile foundation construction technology and improve the firm stability of the pile foundation.

The function of the acoustic tube is mainly to reserve a channel that can allow the ultrasonic probe to be placed at the bottom of the pile normally during the concrete construction of cast-in-place pile, and is not considered as a structural force calculation.

Therefore, in order to form such a channel, there is now a new process that can be used without an acoustic tube, that is, the way of taking a pull rod is adopted, and the pull rod is pulled out when the pile foundation concrete forms the initial setting.

This saves on the use of steel. The bottom cleaning operation must be carried out, otherwise there will be a large settlement after being stressed in the future, which will have an impact on the Zheng slip closed structure. Process some circular mortar cushions, leave a hole of about 12mm in the middle, and string them to the front end of the pile cage.

Summary. Hello dear, the prestressed pipe pile core reinforcement cage reinforcement requirements are that the number of joints in the same section shall not exceed 50% of the total number of main reinforcements, and the adjacent joints should be staggered up and down, and the staggered distance shall not be less than 35dd representing the diameter of the main reinforcement. The acceptance specifications and standards for reinforcement cages are.

First, first check the quality of the steel bar, such as the steel bar material list and the inspection report of various test pull parts; Second, secondly, check whether the welding of closed stirrups and main reinforcements hurts the main reinforcement, and whether the spacing around the stirrups is consistent with the design requirements of the drawings; Finally, the length of the lap joint around the stirrups and the upper and lower sealing laps cannot be less than one and a half turns.

Requirements for the reinforcement of the reinforcement cage of the prestressed pipe pile.

Hello dear, the prestressed pipe pile core reinforcement cage reinforcement requirements are the same as the number of joints in a section of the same trapped letter shall not exceed 50% of the total number of main reinforcements, adjacent joints should be staggered up and down, and the staggered distance shall not be less than 35dd on behalf of the diameter of the main reinforcement. The acceptance specifications and standards for reinforcement cages are.

First, first check the quality of the steel bar, such as the steel bar material list and the inspection report of various test pull parts; Second, secondly, check whether the closed stirrups and the main reinforcement spike ruler disturb the welding of the main reinforcement, and whether the spacing around the stirrups is consistent with the drawing design requirements; Finally, the length of the lap joint around the stirrups and the upper and lower sealing laps cannot be less than one and a half turns.

What are the production requirements of the reinforcement cage: 1. When the reinforcement cage is made, it is generally in the acceptance criteria of the reinforcement cage: 1. The specification, quantity and length of the main reinforcement of the reinforcement.

2. Check whether the welding of the closed bent dry stirrup and the main reinforcement is not injured by the main reinforcement. 3. Whether the spacing around the stirrups meets the design requirements of the drawings. Reinforcement cage fabrication and installation:

Strictly according to the size given in the drawings to process the buried hole reinforcement.

How much is the core reinforcement reinforcement of the pipe pile with a diameter of 500.

Hello dear, the length of the 500 pipe pile core reinforcement cage is 1000 mm.

What is the diameter of the reinforcement.

The general diameter is .

It should be a detection tube. After the pile foundation is poured, it is used to check the pile length and integrity. Whether there are weak points (cavities, sand inclusions, etc.).

But it's a little different from what you described. Usually cast-in-place piles are tested by ultrasound. One transmitter and one receiver.

And there should be at least 2 tubes (do 1 cross-section detection)...And the landlord said that there is only 1 pipe.

** is the ultrasound machine.

This is to test the concrete pouring quality of the pile foundation in the future, which is called the acoustic tube, also known as the detection tube.

There are several specific detection methods, ultrasonic testing, small strain, radiographic testing, vibration testing, and so on.

Acoustic tube, for pile detection.

I feel like you're talking about a conduit, which is used to pour concrete!

The reinforcement cage of the bored pile I have come into contact with is also in the end (deducting the protective layer), and the iron pipe you said is used to fix the reinforcement cage.

1. Steel cage production: main reinforcement connection: generally double-sided single-sided lap welding, straight thread connection, sometimes Bang bar welding (such as wellhead lap is encountered in the steel bar left length is insufficient), generally not using butt welding, welding quality is not easy to guarantee.

2. Stiffened stirrups: Generally, the stiffening stirrups themselves are double-sided single-sided lap welding, and double-sided spot welding is used for connection with the main reinforcement.

3. Spiral stirrups: generally connected with the main reinforcement by spot welding, and the plum blossoms are distributed at the intervals. It can also be connected with lashing.

The specification only stipulates that it is firmly connected with the main reinforcement, and does not stipulate whether it is fully welded or fully tied, and generally the welding at the interval is sufficient, but the large reinforcement cage, the steel bar chain cage with a small number of main reinforcement roots, and the extra-long steel reinforcement cage still have to be fully welded. It is not recommended to lash, the ergonomics is too low. In addition, according to the design and construction, according to the requirements of the design description.

However, some designs only require every 1m point, the welding rate is too high, and we strengthen the welding to the interval point during construction, otherwise it is easy to fall off. As long as it is ensured that the reinforcement cage will not collapse, the spiral stirrups will not be pulled together, because the spiral stirrups are to restrain the concrete and the shear force, and there is no force relationship between the main reinforcement. Welding the transition with the main reinforcement will only burn the main reinforcement and will not do any good to the main reinforcement.

4. The positioning hoop must be fixed by electric welding, and the spiral stirrup can be fixed by electric welding and binding, but it is generally fixed by electric welding in construction, and it must be fully welded.