A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Offshore platform large-diameter hectometer socketed pile combined construction equipment
The invention relates to the technical field of socketed piles, and discloses offshore platform large-diameter hectometer socketed pile combined construction equipment which comprises a construction platform, a full-slewing drilling machine, a rotary drilling rig and an RCD drilling machine. A reinforcement cage is arranged in the pile hole, a pouring guide pipe is arranged on the sleeve, concrete in the pile hole is solidified to form a socketed pile, the bottom of the socketed pile is embedded into a rock stratum, and the top of the socketed pile extends to the top of the sleeve; a plurality of resistance reduction strips are arranged on the outer side wall of the casing pipe, in the sinking process of the casing pipe, the resistance reduction strips abut against the inner side wall of the soil layer hole section, and a resistance reduction gap is formed between the outer side wall of the casing pipe and the inner side wall of the soil layer hole section. After the casing pipe is inserted into the bottom of the casing pipe to abut against a rock stratum through a full-slewing drilling machine, full-casing-pipe wall protection of a soil layer is achieved, the problem of hole collapse of a soft stratum is avoided, meanwhile, through the design of the resistance reduction strips, in the sinking process of the casing pipe, contact friction between the casing pipe and the soil body is changed into cutting between the resistance reduction strips and the soil body, and the resistance reduction effect is improved. Therefore, the side friction resistance between the sleeve and the soil body is reduced.
本发明涉及嵌岩桩的技术领域，公开了海上平台大直径百米嵌岩桩组合施工设备，包括施工平台、全回转钻机、旋挖钻机以及RCD钻机；桩孔中设有钢筋笼，套管上设有往灌注导管，桩孔中的混凝土凝固形成嵌岩桩，嵌岩桩的底部嵌入在岩层中，嵌岩桩的顶部延伸至套管的顶部；套管的外侧壁上设有多个减阻条，套管下沉的过程中，减阻条抵接着土层孔段的内侧壁，套管的外侧壁与土层孔段的内侧壁之间具有减阻间隙。通过利用全回转钻机将套管插入至套管底部抵接在岩层上后，从而实现土层全套管护壁，避免了软弱地层塌孔的问题，同时通过减阻条的设计，在套管下沉的过程中，使套管与土体之间的接触摩擦改为减阻条与土体的切削，从而减小套管与土体的侧摩阻力。
Offshore platform large-diameter hectometer socketed pile combined construction equipment
The invention relates to the technical field of socketed piles, and discloses offshore platform large-diameter hectometer socketed pile combined construction equipment which comprises a construction platform, a full-slewing drilling machine, a rotary drilling rig and an RCD drilling machine. A reinforcement cage is arranged in the pile hole, a pouring guide pipe is arranged on the sleeve, concrete in the pile hole is solidified to form a socketed pile, the bottom of the socketed pile is embedded into a rock stratum, and the top of the socketed pile extends to the top of the sleeve; a plurality of resistance reduction strips are arranged on the outer side wall of the casing pipe, in the sinking process of the casing pipe, the resistance reduction strips abut against the inner side wall of the soil layer hole section, and a resistance reduction gap is formed between the outer side wall of the casing pipe and the inner side wall of the soil layer hole section. After the casing pipe is inserted into the bottom of the casing pipe to abut against a rock stratum through a full-slewing drilling machine, full-casing-pipe wall protection of a soil layer is achieved, the problem of hole collapse of a soft stratum is avoided, meanwhile, through the design of the resistance reduction strips, in the sinking process of the casing pipe, contact friction between the casing pipe and the soil body is changed into cutting between the resistance reduction strips and the soil body, and the resistance reduction effect is improved. Therefore, the side friction resistance between the sleeve and the soil body is reduced.
本发明涉及嵌岩桩的技术领域，公开了海上平台大直径百米嵌岩桩组合施工设备，包括施工平台、全回转钻机、旋挖钻机以及RCD钻机；桩孔中设有钢筋笼，套管上设有往灌注导管，桩孔中的混凝土凝固形成嵌岩桩，嵌岩桩的底部嵌入在岩层中，嵌岩桩的顶部延伸至套管的顶部；套管的外侧壁上设有多个减阻条，套管下沉的过程中，减阻条抵接着土层孔段的内侧壁，套管的外侧壁与土层孔段的内侧壁之间具有减阻间隙。通过利用全回转钻机将套管插入至套管底部抵接在岩层上后，从而实现土层全套管护壁，避免了软弱地层塌孔的问题，同时通过减阻条的设计，在套管下沉的过程中，使套管与土体之间的接触摩擦改为减阻条与土体的切削，从而减小套管与土体的侧摩阻力。
Offshore platform large-diameter hectometer socketed pile combined construction equipment
海上平台大直径百米嵌岩桩组合施工设备
WANG GANG (author) / WANG TONG (author) / FENG DONGDONG (author) / LEI BIN (author) / XIAO YANGBING (author) / LIAO QIMING (author) / LIN ZHIHAO (author) / XIAO MU (author) / CHEN CHAOYANG (author) / DENG YIXIN (author)
2023-09-01
Patent
Electronic Resource
Chinese
Offshore platform large-diameter hectometer socketed pile combined pile-forming construction method
| European Patent Office | 2023
Large-diameter rock-socketed single pile grouting construction method for offshore wind power
| European Patent Office | 2020
Large-diameter composite socketed pile and construction method thereof
| European Patent Office | 2024
Pile sinking construction process for overlong inclined socketed pile of offshore bearing platform
| European Patent Office | 2022