Study on Design and Deformation Law of Pile-Anchor

Pile-Anchor Support System in Deep ... pebble stratum, were studied in depth. Results show: The axial force of the anchor rod had great loss ... and the anchors of the second layer were …

Research and Application of Anchorage Vertical …

The anchorage vertical loading system uses the original raft to make holes in the original raft, the construction equipment adopts the anchor rig, the construction technology adopts the double casing followed by hydraulic …

CN108179735B

The invention provides a pebble layer large-scale deep water foundation construction platform and a pebble layer large-scale deep water foundation construction method, wherein the pebble …

Deformation Law of Deep Foundation Pit in Water-rich Sand …

structure of poorly matched pebble layer deep foundation pit under the internal support condition based on discrete elements, but did not consider the effect of …

Anchor Pile Foundation and Construction Process

Anchor piles are called vertical ground, frictional, and foundation anchors. These materials are made of reinforced concrete, cement, and timber . When looking to perform an …

Deformation rules of deep foundation pit of a subway station in …

The groundwater level is buried at 7.20–9.20 m, which is a submersible type. The 2-10 and the 3-11 pebble layers are the main aquifers of the station. The site is a class I area in the Yellow …

Mechanical Response and Control Measures of Pile Foundations …

The physical and mechanical parameters of the soil layers and bridge pile foundations are based on geological survey data, as shown in Tables 1 and 2. In the numerical …

Application and Deformation Control of Pile-anchor Support for …

Based on the engineering practice of deep foundation pit project in a coastal area, design plan and conceptual method for control the deformation of pile-anchor support system …

How to Deal with Easy-to-collapse Formations? Self Drilling Anchor …

3. Gravel layer, pebble layer. It is very difficult to drill holes in sand, gravel, pebble and broken zone formations. Such formations are called mechanical dispersion formations. …

Izmit Bay Bridge

The test results confirm that the composite aseismic layers can significantly reduce the inertial/earthquake forces of the rigid building model relative to the stone pebble layer, …

DEFORMATION RULE OF BORED PILE & STEEL …

pile is simplified as a continuous wall unit; the cover unit is C3D8R; the temporary pile unit is C3D8R; and the diagonal brace and cover pile are T3D2 pole units. The C3D8R element is an …

Application and Deformation Control of Pile-anchor Support for …

The studies of pile-anchor supporting structure of deep foundation pits have aroused the attention of scholars, and the interaction between supporting structure and soil still needs …

Study on Design and Deformation Law of Pile-Anchor Support

The mechanism of pile–soil interaction, the stress change and deformation law of the three-pile and two-anchor support systems of deep foundation pits, and the stability of …

Surface Settlement Damage Model of Pile‐Anchor Supporting …

The soil layers in the depth range of the foundation pit excavation are complex and include miscellaneous fill, loess silt, pebble soil, silty clay, fine sand, silty silt, pebble, and other …

Study on the Diffusion Law of Grouting Slurry at the Pile Tip of …

The post-construction improvement technology of bored pile tips has been widely used in the construction of gravel pebble layers, but the diffusion law of the grouting slurry …

Study on Design and Deformation Law of Pile-Anchor …

structure of the pile-anchor foundation pit, considering the corner effect. In this study, a deep foundation pit project of Nanlishi Road in the Xicheng District ... fine sand, pebble layer, etc. …

Anchor piles are used to provide grip against upward pressure and lateral pressure on the structure. ... Open ended pile are normally use for hard layer soil. The inside soil of the pile is removed with water jet or compressed air. After …

Super three-axis cement mixing pile device

The super three-axis cement mixing pile device is suitable for construction on soil layers such as pebble layers or gravel layers, and pile-forming quality in the pebble layers or the gravel layers …

Analysis of Deep Foundation Pit Pile-Anchor Supporting

law of pile anchor support, and thechange of trafficdynamic ... and pebble layers except for the upper 2.70-5.40 meters of miscella-neous fill. The detailed ground conditions are as follows: …

How to Deal with Easy-to-collapse Formations? Self …

Gravel layer, pebble layer. It is very difficult to drill holes in sand, gravel, pebble and broken zone formations. Such formations are called mechanical dispersion formations. Due to the lack of cementation between the …

(PDF) Field Test and Numerical Simulation of Anchor

Field Test and Numerical Simulation of Anchor Cable in Water-rich Sand and Pebble Two-layer Strata ... anchorage section and sand layer and pebble layer are …

Influence of Pile Anchor Design Parameters on …

Flac3D software was used to analyze the influence of pile anchor design parameters, including pile diameters, pile spacing, anchor cable prestress, anchor angle, and the number of rows of anchor cables, on deformation of the …

What is Pile Foundation? Types of Pile Foundation

In this type of pile foundation, the loads pass through the lower tip of the pile. The bottom end of the end-bearing piles rests on a strong layer of soil or rock. Usually, the pile rests at a …

Machine learning and FEM-driven analysis and

Construction sites in coastal areas are predominantly characterized by soft soil layers, such as silty soil. Selecting appropriate support forms for deep foundation pit …

Monitoring and analysis of the sandy pebble stratum foundation …

Download Citation | Monitoring and analysis of the sandy pebble stratum foundation pit horizontal displacement | The Mingyu financial square project was built in sandy pebble …

Method for constructing spray anchors among piles under sandy pebble

The invention belongs to the field of building construction, and particularly discloses a method for constructing a spray anchor between piles under a sandy pebble geological condition, which …

Method for constructing pipe-sinking cast-in-place pile in pebble layer

The method for constructing the pipe-sinking cast-in-place pile in the pebble layer, the gravel layer and the sand layer comprises the steps of drilling a hole at the pile position, simultaneously …

Application and Deformation Control of Pile-anchor Support for …

Application and Deformation Control of Pile-anchor Support for Deep Foundation Pit in Soft Soil Area. ... Evolution mechanism of the dynamic excavation deformation of deep …

Design of backfill materials for driving steel sheet piles and pile forming tests in gravel layer LIN Peng-zhen, MA Jun-jun (School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou …

Mechanical characteristics and calculation method of static …

The findings indicated that a pebble layer with a thickness equivalent to 2.5 times the diameter of the pile could result in a 1.3-fold increase in the average pile penetration force, …