Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention provides a construction technology for a high-jet grouting body built-in prestressed concrete pile, and relates to the technical field of building construction. The technology comprises the following steps that a construction site is selected, staking-out survey is conducted on a pile position, marking is conducted, and a marked pile position is obtained; a high-pressure jet grouting pile is adopted for sinking, cutting and stirring downwards in the marked pile position according to the first preset depth and the preset soil layer condition, cement slurry is sprayed at high pressure, and cement slurry is formed; and the prestressed concrete pile is pressed into the preset elevation of the marked pile position in a static pressure or prestressed concrete pile hammering mode. According to the construction technology for the high-jet grouting body built-in prestressed concrete pile, the outer side resistance and the pile end resistance of the pile can be reinforced through process improvement by utilizing the characteristic of high strength of the prestressed concrete pile, so that the bearing capacity of the pile can play a more obvious role; the construction technology has the advantages that the construction cost is reduced, the dust control standard is met, the construction period is shortened, and the quality is reliable.
本发明提出了一种高喷注浆体内置预应力砼桩施工工艺，涉及建筑施工技术领域。该工艺包括以下步骤：选取施工场地，对桩位进行测量放样并作出标记，得到标记桩位；采用高压旋喷桩在标记桩位中向下按照第一预设深度和预设土层状况进行下沉切割搅拌，并高压喷射水泥浆液，形成水泥浆体；采用静压或锤击预应力砼桩的方式，将预应力砼桩压入标记桩位的预设标高中。该高喷注浆体内置预应力砼桩施工工艺能够通过利用预应力砼桩高强度的特点，通过工艺提升，对桩的外侧阻力和桩端阻力进行加固处理，使其承载能力发挥更加明显的作用。其具有降低工程造价、符合扬尘管控标准、缩短施工工期和质量可靠的优点。
The invention provides a construction technology for a high-jet grouting body built-in prestressed concrete pile, and relates to the technical field of building construction. The technology comprises the following steps that a construction site is selected, staking-out survey is conducted on a pile position, marking is conducted, and a marked pile position is obtained; a high-pressure jet grouting pile is adopted for sinking, cutting and stirring downwards in the marked pile position according to the first preset depth and the preset soil layer condition, cement slurry is sprayed at high pressure, and cement slurry is formed; and the prestressed concrete pile is pressed into the preset elevation of the marked pile position in a static pressure or prestressed concrete pile hammering mode. According to the construction technology for the high-jet grouting body built-in prestressed concrete pile, the outer side resistance and the pile end resistance of the pile can be reinforced through process improvement by utilizing the characteristic of high strength of the prestressed concrete pile, so that the bearing capacity of the pile can play a more obvious role; the construction technology has the advantages that the construction cost is reduced, the dust control standard is met, the construction period is shortened, and the quality is reliable.
本发明提出了一种高喷注浆体内置预应力砼桩施工工艺，涉及建筑施工技术领域。该工艺包括以下步骤：选取施工场地，对桩位进行测量放样并作出标记，得到标记桩位；采用高压旋喷桩在标记桩位中向下按照第一预设深度和预设土层状况进行下沉切割搅拌，并高压喷射水泥浆液，形成水泥浆体；采用静压或锤击预应力砼桩的方式，将预应力砼桩压入标记桩位的预设标高中。该高喷注浆体内置预应力砼桩施工工艺能够通过利用预应力砼桩高强度的特点，通过工艺提升，对桩的外侧阻力和桩端阻力进行加固处理，使其承载能力发挥更加明显的作用。其具有降低工程造价、符合扬尘管控标准、缩短施工工期和质量可靠的优点。
Construction technology for high-jet grouting body built-in prestressed concrete pile
一种高喷注浆体内置预应力砼桩施工工艺
SUI FUREN (Autor:in)
20.08.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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