Large Diameter SSAW Pipe Piling For Port Construction

Pile foundation is a basic form of industrial and civil engineering. It is a kind of deep foundation. It can be divided into reinforced concrete pile, steel pile and wood pile according to material. Choosing a reasonable pile foundation form plays an important role in ensuring the safety of the...

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Pile foundation is a basic form of industrial and civil engineering. It is a kind of deep foundation. It can be divided into reinforced concrete pile, steel pile and wood pile according to material. Choosing a reasonable pile foundation form plays an important role in ensuring the safety of the structure, saving the investment and reducing the cost. Steel pipe pile and large pipe pile are widely used in port hydraulic structures because of their superior performance.

Steel Pipe Piling for Port Construction.jpg

Steel pipe piles and reinforced concrete pipe piles are the two most widely used foundations in port hydraulic structures. Both of them have their own characteristics, and can be selected according to the engineering characteristics and construction needs.  

(1) The form of pile foundation:

Steel pipe piles usually need a pair of forked piles to withstand horizontal loads. Reinforced concrete pipe piles can be directly loaded by their own bending capacity.  

(2) Pile construction parameters:

The effective construction day efficiency of steel pipe pile is obviously higher than that of large pipe pile. The hammer stroke number of steel pipe pile is slightly less than that of reinforced concrete pipe pile. The penetration ability of steel pipe pile is much greater than that of reinforced concrete pipe pile, and the steel pipe pile in the similar geological condition is deeper than that of the reinforced concrete pipe pile. However, in recent years, the steel pile boots or steel pipe piles - reinforced concrete pipe pile composite piles have enhanced the penetration ability of the reinforced concrete pipe pile. The penetration of steel pipe pile is less than that of reinforced concrete pipe pile.  

(3) The bearing capacity and recovery coefficient:

Steel pipe pile, reinforced concrete pipe pile can meet the design capacity, recovery coefficient is less than the carrying capacity of steel reinforced concrete pipe pile, steel pipe pile side friction resistance of pile bearing capacity accounted for a large proportion of reinforced concrete pipe pile is not obvious.  

(4) Application:

The adaptability of steel pipe pile is stronger than that of reinforced concrete pipe pile. The requirement of steel pipe pile to pile hammer, pile cushion and construction environment is lower than that of reinforced concrete pipe pile, and the sensitivity to the change of geological condition is also lower than that of reinforced concrete pipe pile. When necessary, steel pipe pile can become a remedial measure of reinforced concrete pipe pile. There are many unforeseen factors in the construction process of reinforced concrete pipe pile, and its determinacy is not as good as that of steel pipe pile. The steel pipe pile should be preferred for projects with poor geological conditions and high construction period.  

(5) Late maintenance:

The steel pipe pile must be treated with antisepsis, and the anticorrosive effect is greatly influenced by the construction technology, the environment and the use condition. The reinforced concrete pipe pile is basically not used for anticorrosive treatment, and has good durability.  

(6) Economic benefit:

The cost of construction and maintenance of reinforced concrete pipe pile is much lower than that of steel pipe pile, and the economic benefit is remarkable.

 Port Construction Steel Pipe Piling.jpg

Edit by Ms Enya Wang of KRM/BSW

Contact us directly by:

Email: enya@kingruimansteelpipe.com

Tel / Whatsapp: 86-18210912291

Skype: memory8612


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