Concrete pile construction equipment and method

Abstract

The invention aims to provide concrete pile construction equipment comprising a guard cylinder, a delivery pipe and a penetrating hammer. The concrete pile construction equipment is characterized in that an impact hammer is connected to the bottom end of the guard cylinder, the delivery pipe is disposed inside the guard cylinder and is communicated with an inner pipe of the impact hammer, the penetrating hammer is further disposed inside the guard cylinder, the lower half of the impact hammer is a pointed cone, and the upper half of the impact hammer is a cylinder integrally fixed to the guard cylinder. The invention further provides a concrete pile construction method employing the concrete pile construction equipment. The method includes the steps of 1, aligning a pile position; 2, lifting the penetrating hammer to strike the impact hammer which drives the guard cylinder to sink; 3, stopping striking until the guard cylinder sinks to a designed depth; 4, delivering concrete to the delivery pipe; 5, lifting up the guard cylinder while delivering the concrete; 6, stopping lifting until the guard cylinder is out of the surface of a foundation; 7, performing following construction.

Description

technical field [0001] The invention relates to the field of civil engineering, in particular to pile construction technology. Background technique [0002] In the foundation treatment of buildings, it is often encountered that there are dense sandy soil layers, gravel soil layers, loess layers, gravel and pebble layers, etc. at a certain depth below the surface, and the hardness of these soil layers is uneven. , Uneven thickness. This geological condition makes it very difficult to form holes in the pile body during pile foundation construction. At present, it is difficult to form pile holes to the designed depth with the commonly used methods such as vibratory sinking, static pressure or rotary drilling. Although rotary drilling rigs and manual digging can form holes in relatively hard soil layers, they are both methods of taking out the original soil. Not only does it need to clear the soil and transport it outside, resulting in increased costs and environmental pollutio...

AI Technical Summary

Problems solved by technology

This geological condition makes it very difficult to form holes in the pile body during pile foundation construction. At present, the commonly used methods such as vibration sinking, static pressure or rotary drilling are basically difficult to form pile holes to the design depth.

Although rotary drilling rigs and manual digging can form holes in relatively hard soil layers, they are both methods of taking out the original soil. Not only do they need to clear the soil and transport it outside, resulting in increased costs and environmental pollution, but also because the original soil and soil are not fully utilized. Without the retaining wall, it is very easy to cause the hole wall to collapse and shrink, especially when the groundwater content is high, the pile hole will be flooded with water quickly, and the next step of construction cannot be carried out

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