Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction method of gravel pile for loose soil layer
The invention discloses a construction method of a gravel pile for a loose soil layer. The construction method comprises the steps that firstly, construction equipment comprising a pile machine and an air compressor is arranged at a pile position; 2, according to the insertion depth of the pile pipe and the soil weight of the soil layer at the depth, the soil confining pressure intensity of the soil layer at the depth position is calculated, and the pressure value applied by an air compressor is obtained; thirdly, the pile pipe is vibrated and sunk till the pile tip reaches the designed elevation; fourthly, a set amount of gravel materials are added into the pile pipe, then a feeding port is closed, and then an air compressor is started to add air into the pile pipe through an upper air inlet and a lower air inlet in the pile pipe; fifthly, the pile pipe is lifted, in the process, an air compressor is always kept in an air-entrapping state, a discharging movable opening of the pile tip is automatically opened under the combined action of the air pressure in the pile pipe and the gravity of the gravel materials, and the gravel materials in the pile pipe fall into the pile hole; and when the pile pipe is lifted to the pile tip to the pile top, the air compressor is closed until the pile tip is lifted to the position above the ground, and the gravel materials in the pile pipe are completely unloaded. According to the invention, stone can be discharged more smoothly.
本发明公开了一种用于松散土层的碎石桩的施工方法，包括:步骤一，在桩位布置包括桩机和空压机的施工设备；步骤二，根据桩管的插置深度和在该深度处的土层的土重计算该土层在该深度位置的土围压强，得出空压机所施加的压力值；步骤三，振沉桩管直至桩尖至设计标高；步骤四，先往桩管内加设定量的碎石料，再封闭进料口，然后启动空压机通过桩管上的上、下进气口往桩管内加气；步骤五，上提桩管，过程中空压机始终保持加气状态，桩尖的出料活口在桩管内的气压和碎石料的重力共同作用下自动打开，使桩管内的碎石料落入桩孔内；当桩管上提至桩尖快到桩顶时，关闭空压机，直到桩尖上提至地面以上，桩管内的碎石料全部卸完。本发明能使下石料更加顺畅。
Construction method of gravel pile for loose soil layer
The invention discloses a construction method of a gravel pile for a loose soil layer. The construction method comprises the steps that firstly, construction equipment comprising a pile machine and an air compressor is arranged at a pile position; 2, according to the insertion depth of the pile pipe and the soil weight of the soil layer at the depth, the soil confining pressure intensity of the soil layer at the depth position is calculated, and the pressure value applied by an air compressor is obtained; thirdly, the pile pipe is vibrated and sunk till the pile tip reaches the designed elevation; fourthly, a set amount of gravel materials are added into the pile pipe, then a feeding port is closed, and then an air compressor is started to add air into the pile pipe through an upper air inlet and a lower air inlet in the pile pipe; fifthly, the pile pipe is lifted, in the process, an air compressor is always kept in an air-entrapping state, a discharging movable opening of the pile tip is automatically opened under the combined action of the air pressure in the pile pipe and the gravity of the gravel materials, and the gravel materials in the pile pipe fall into the pile hole; and when the pile pipe is lifted to the pile tip to the pile top, the air compressor is closed until the pile tip is lifted to the position above the ground, and the gravel materials in the pile pipe are completely unloaded. According to the invention, stone can be discharged more smoothly.
本发明公开了一种用于松散土层的碎石桩的施工方法，包括:步骤一，在桩位布置包括桩机和空压机的施工设备；步骤二，根据桩管的插置深度和在该深度处的土层的土重计算该土层在该深度位置的土围压强，得出空压机所施加的压力值；步骤三，振沉桩管直至桩尖至设计标高；步骤四，先往桩管内加设定量的碎石料，再封闭进料口，然后启动空压机通过桩管上的上、下进气口往桩管内加气；步骤五，上提桩管，过程中空压机始终保持加气状态，桩尖的出料活口在桩管内的气压和碎石料的重力共同作用下自动打开，使桩管内的碎石料落入桩孔内；当桩管上提至桩尖快到桩顶时，关闭空压机，直到桩尖上提至地面以上，桩管内的碎石料全部卸完。本发明能使下石料更加顺畅。
Construction method of gravel pile for loose soil layer
一种用于松散土层的碎石桩的施工方法
XU ZHIXIANG (Autor:in) / FU LEPING (Autor:in) / XU JILEI (Autor:in) / DAI ZHIFENG (Autor:in) / GE JIONG (Autor:in) / FENG XIAOLIANG (Autor:in)
20.09.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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