The occurrence of diseases such as wall cracking, structural tilting and door and window deformation in buildings is often closely related to the problem of foundation settlement. For the repair and reinforcement projects of building foundation settlement, currently, the industry mainly adopts two technical routes: traditional reinforcement techniques and modern trenchless technology.

I. Analysis of Traditional Foundation Reinforcement Techniques

Anchor bolt static pressure pile reinforcement method

Technical principle: Additional bearing capacity is provided through static pressure pile bodies

Project features: The construction noise is significant, affecting the living environment of residents

2. Grouting reinforcement method

Technical principle: Inject slurry to improve soil properties

Engineering limitation: There is a quality risk of uneven slurry penetration

3. Increase the base area method

Technical features: Large-scale excavation construction is required

Engineering issues: Long construction period and prominent safety hazards

Traditional technologies generally have systematic flaws such as large construction disturbances, difficult quality control, and uncontrollable construction periods.

Ii. Innovative Advantages of Trenchless Remediation Technology

The micro-hole injection repair technology (Patent No. : ZL 2022 2 3321394.X) developed by Tongcheng Soft Foundation represents the cutting-edge development direction of the industry:

1. Material technology innovation

Independently develop special composite material systems

It has a wide range of applicable geological conditions (such as silt soil over ten meters deep in the coastal areas of Jiangsu and Zhejiang, collapsible loess in the middle reaches of the Yellow River such as Shaanxi and Gansu, etc.)

The effective reinforcement depth reaches 60 meters. The reinforcement depth needs to be determined by analyzing the bearing stratum in combination with the geological conditions.

2. Technological advancement

1-3cm micro-hole injection process, no need to break the ground

Zero-disturbance construction technology does not affect the normal life of residents

Fenced operation plan, confidential construction

3. Engineering economy

The repair cycle is 7 to 30 days

The comprehensive cost is reduced by 30%

A 20-year warranty commitment

Iii. Professional Technical Service System

1. Pre-service

Free geological exploration

Professional scheme design

National service network

2. Quality Assurance

You can visit our company's ongoing projects nearby

Contractual warranty terms, 20-year warranty service

Industry authority recommendation (Recommended by many well-known domestic developers, survey and design institutes, geotechnical experts, etc., and can organize expert scheme argumentation meetings)

This technology is particularly applicable to:

Construction in sensitive areas (residential areas/commercial areas)

Special geological conditions (high backfill, silty soil, collapsible loess, etc.)

Emergency rescue projects (undisturbed repair of residential buildings, non-stop repair of precision workshops, etc.)

foundation subsidence expert https://en.hengxianghongye.com/Subsidence-Repair.html