Pile-Side Lateral Static Load Device With Modular Jack Cart
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Solution Overview
Problem
Existing in-situ lateral static load test instruments for pile foundations face challenges such as difficulty in transportation and installation, limited adaptability to various pile diameters, and inflexibility in adjusting loading precision, leading to increased costs and reduced convenience.
Innovation Solution
A pile-side lateral static load device with a simple structure, comprising a jack system, liftable jack cart, loading jack fixing system, counter-pressure and counter-tension loading systems, and a data acquisition system, allowing for adjustable loading and precise testing across different pile diameters and tonnages, facilitating easy installation and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a complex servo loading system is used to ensure precision and accuracy, then measurement precision is improved, but device complexity increases and ease of operation deteriorates
Solution Approach 1:
The loading system is divided into modular components: jack system, liftable jack cart, loading jack fixing system, counter-pressure loading system, and counter-tension loading system. Each module can be independently assembled, disassembled, and configured, simplifying the overall system while maintaining precision capabilities.
Solution Approach 2:
The device is designed to perform multiple loading functions (counter-pressure and counter-tension) using a unified platform. The same jack system and cart can be configured for different loading modes, eliminating the need for separate specialized equipment and reducing overall system complexity.
2Device complexity
If a simple jack load test is used to reduce budget and simplify process, then device complexity is reduced, but measurement precision deteriorates
Solution Approach 1:
The device incorporates adjustable and reconfigurable components that can be dynamically adapted to different testing requirements. The loading jack fixing system with telescopic fixing arms and the selectable counter-pressure/counter-tension configurations allow the simple structure to achieve precise loading control through proper configuration rather than inherent complexity.
3Reliability
If fixed loading equipment is used to ensure stable performance, then reliability is improved, but adaptability to various pile diameters deteriorates
Solution Approach 1:
The liftable jack cart with adjustable height and the telescopic fixing arms create a dynamic system that can adapt to different pile diameters (150-1000mm) while maintaining stable loading performance. The adjustable configuration allows the same equipment to reliably serve multiple pile sizes without compromising loading stability.
4Measurement precision
If additional testing instruments are configured and installed to achieve precise testing, then measurement precision is improved, but ease of operation deteriorates and installation difficulty increases
Solution Approach 1:
The device integrates the loading system and measurement capabilities into a unified platform. The jack system, cart, and loading mechanisms are combined with built-in measurement and data acquisition functions, eliminating the need for separate additional instruments and simplifying installation while maintaining testing accuracy.
Data Source
AI summary
A pile-side lateral static load device includes a jack system, a liftable jack cart, a loading jack fixing system, and a loading system. The jack system includes a jack body. The jack system is installed on the liftable jack cart through the loading jack fixing system. The loading system is installed on the loading jack fixing system, and the loading system includes counter-pressure loading systems and counter-tension loading systems. The pile-side lateral static load device has a simple structure, is convenient to install and operate, and can complete lateral loading and in-situ tests under different pile diameters, different tonnages and different precisions, so as to facilitate a simulation test of in-situ lateral loading of a pile.