Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
DCM construction method for offshore deep cement-soil mixing pile
The invention discloses a DCM construction method for an offshore deep cement soil mixing pile. The DCM construction method comprises the following steps that a DCM engineering ship is driven to a preset position; based on the stratum distribution data and the design construction coordinates of all the cement soil mixing piles, the construction mode of all the mixing piles is determined, and the construction mode is direct mixing construction or composite reinforcement mixing construction; if the gradient of the rock stratum at the construction position is smaller than a gradient threshold value, a direct stirring construction mode is adopted; if the slope of the rock stratum at the construction position is larger than the slope threshold value, a composite reinforcing and stirring construction mode is adopted, and the composite reinforcing and stirring construction mode is that a variable-diameter drill bit mechanism in a drilling machine system is used for downwards stretching into the surface of the rock stratum and drilling to form a conical hole located in the surface of the rock stratum, and a four-axis DCM drill bit conducts downward stirring construction and grouting; and a stirring pile group is formed. The device has the advantages of being high in intelligence and automation degree, capable of adapting to different seabed rock stratum terrains, good in soil stirring effect, high in construction efficiency and capable of achieving ultra-deep reinforcement.
本发明公开了一种海上深层水泥土搅拌桩的DCM施工方法，包括以下步骤：将DCM工程船行驶至预定位置；基于地层分布数据以及各水泥土搅拌桩的设计施工坐标，确定各搅拌桩的施工方式，施工方式为直接搅拌施工或复合加固搅拌施工；若所施作位置的岩层坡度小于坡度阈值，则采用直接搅拌施工方式；若所施作位置的岩层坡度大于坡度阈值，则采用复合加固搅拌施工方式，复合加固搅拌施工的方式是指：利用钻机系统中的可变径式钻头机构下探入岩层表面并进行钻进以形成位于岩层表面的锥形孔，四轴DCM钻头进行向下搅拌施工并注浆，以形成搅拌桩组。本发明的优点是：智能化和自动化程度高，可适应不同海床岩层地形，搅拌土体效果好，施工效率高，可实现超深加固。
DCM construction method for offshore deep cement-soil mixing pile
The invention discloses a DCM construction method for an offshore deep cement soil mixing pile. The DCM construction method comprises the following steps that a DCM engineering ship is driven to a preset position; based on the stratum distribution data and the design construction coordinates of all the cement soil mixing piles, the construction mode of all the mixing piles is determined, and the construction mode is direct mixing construction or composite reinforcement mixing construction; if the gradient of the rock stratum at the construction position is smaller than a gradient threshold value, a direct stirring construction mode is adopted; if the slope of the rock stratum at the construction position is larger than the slope threshold value, a composite reinforcing and stirring construction mode is adopted, and the composite reinforcing and stirring construction mode is that a variable-diameter drill bit mechanism in a drilling machine system is used for downwards stretching into the surface of the rock stratum and drilling to form a conical hole located in the surface of the rock stratum, and a four-axis DCM drill bit conducts downward stirring construction and grouting; and a stirring pile group is formed. The device has the advantages of being high in intelligence and automation degree, capable of adapting to different seabed rock stratum terrains, good in soil stirring effect, high in construction efficiency and capable of achieving ultra-deep reinforcement.
本发明公开了一种海上深层水泥土搅拌桩的DCM施工方法，包括以下步骤：将DCM工程船行驶至预定位置；基于地层分布数据以及各水泥土搅拌桩的设计施工坐标，确定各搅拌桩的施工方式，施工方式为直接搅拌施工或复合加固搅拌施工；若所施作位置的岩层坡度小于坡度阈值，则采用直接搅拌施工方式；若所施作位置的岩层坡度大于坡度阈值，则采用复合加固搅拌施工方式，复合加固搅拌施工的方式是指：利用钻机系统中的可变径式钻头机构下探入岩层表面并进行钻进以形成位于岩层表面的锥形孔，四轴DCM钻头进行向下搅拌施工并注浆，以形成搅拌桩组。本发明的优点是：智能化和自动化程度高，可适应不同海床岩层地形，搅拌土体效果好，施工效率高，可实现超深加固。
DCM construction method for offshore deep cement-soil mixing pile
一种海上深层水泥土搅拌桩的DCM施工方法
HUANG CHANGFU (Autor:in) / LI SHAOHUA (Autor:in) / WANG PENG (Autor:in) / YANG YUYOU (Autor:in) / LI WENBING (Autor:in) / XIE LEI (Autor:in) / YAO TIEJUN (Autor:in) / LIU ZHONGXIN (Autor:in) / LEE KEONWANG (Autor:in) / QI WENRUI (Autor:in)
04.08.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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