Abstract
As a new type of sliding support structure, composite support structure has excellent performance. It is a structure in which two rows of reinforced concrete piles are placed in an appropriate position and the front pile head is connected with the back pile body by a rigid beam. It will form a double row spatial structure, similar to the seating. h-type anti-slide pile can save (or even do not need) anchoring components, form a double-row pile supporting structure system, and achieve good supporting performance. By adjusting the position of tie - beam, the new type anti - slide pile has wider universality and applicability. We can make assumptions in the actual calculation.h - type anti - slide pile has strong anti - overturning ability. The compressive strength of the front pile and the tensile strength of the back pile can form a pair of effective anti-overturning bending moments, and the rigid joints also improve the anti-overturning ability.
Highlights
In Our country, the mountainous area is widely distributed, the road traffic construction and other infrastructure projects often encounter this geological situation
In the western region, geological conditions are complex. Such landslides are frequently encountered in our projects, and the thrust force of the landslide is greater than 2000kN/m
Its skid resistance capacity is limited, so the pile spacing should not be too large to resist the large landslide thrust, which will lead to the increase of cost
Summary
In Our country, the mountainous area is widely distributed, the road traffic construction and other infrastructure projects often encounter this geological situation. In the western region, geological conditions are complex Such landslides are frequently encountered in our projects, and the thrust force of the landslide is greater than 2000kN/m. We mainly use large pile and prestressed pile to resist such large thrust landslide. Both of these measures have some disadvantages. The long service life of the bolt has not been verified, and its durability and reliability are the important defects of the bolt structure, which makes the service area of the bolt structure smaller and smaller With this in mind, a more durable, more reliable, and suitably sized anti-slide pile structure should be considered to resist high-thrust landslide
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