Research on the Technology of Reinforcing Soft Foundation with Modified Waste Soil Piles for Highways

WANG Xiaohua; WANG Yukui; LI Zhenbao; LI Peng; LEI Tao; ZHANG Qianqing; WANG Shujian

doi:10.3724/j.gyjzG24102901

Volume 56 Issue 4

Apr. 2026

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2026 > 56(4): 233-240

WANG Xiaohua, WANG Yukui, LI Zhenbao, LI Peng, LEI Tao, ZHANG Qianqing, WANG Shujian. Research on the Technology of Reinforcing Soft Foundation with Modified Waste Soil Piles for Highways[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(4): 233-240. doi: 10.3724/j.gyjzG24102901

Citation:

WANG Xiaohua, WANG Yukui, LI Zhenbao, LI Peng, LEI Tao, ZHANG Qianqing, WANG Shujian. Research on the Technology of Reinforcing Soft Foundation with Modified Waste Soil Piles for Highways[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(4): 233-240. doi: 10.3724/j.gyjzG24102901

Citation:

WANG Xiaohua, WANG Yukui, LI Zhenbao, LI Peng, LEI Tao, ZHANG Qianqing, WANG Shujian. Research on the Technology of Reinforcing Soft Foundation with Modified Waste Soil Piles for Highways[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(4): 233-240. doi: 10.3724/j.gyjzG24102901

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Research on the Technology of Reinforcing Soft Foundation with Modified Waste Soil Piles for Highways

doi: 10.3724/j.gyjzG24102901

1. Qilu Expressway Company Limited, Jinan 250101, China;
2. Shandong Hi-Speed Engineering Testing Co., Ltd., Jinan 250013, China;
3. Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, China

Received Date: 2024-10-29
Available Online: 2026-06-06
Publish Date: 2026-04-20

Abstract

Abstract

In view of the current situation where a large quantity of waste soil from highway engineering is difficult to absorb on a large scale， this paper proposed a new type of modified waste soil precast pile based on a weak subgrade reinforcement project. It also conducted related research on the machinery for forming modified waste soil precast piles， the pile forming process， and the construction technology for reinforcing weak subgrads using these piles. The physical and mechanical properties of the waste soil in the field were obtained by laboratory tests， and the optimal cement content of the waste cohesive soil was determined. Based on the static load test results， the application effectiveness of modified waste soil precast piles in reinforcing weak subgrads was studied， and the load transfer characteristics of these piles were analyzed. By normalizing the field-measured data， a softening model of pile side friction resistance considering the interface bonding characteristics was proposed. The relevant research results provide new insights for the resource utilization of waste soil and reinforcement of weak subgrads.
- subgrade engineering,
- waste soils,
- modified waste soil precast pile,
- weak subgrad,
- static loading test,
- load transfer

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References(24)

References

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