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China Plastics ›› 2021, Vol. 35 ›› Issue (5): 97-106.DOI: 10.19491/j.issn.1001-9278.2021.05.016
• Processing and Application • Previous Articles Next Articles
ZHAO Yan1, PAN Xiang2, LIU Bengang2(
)
Received:2020-10-26
Online:2021-05-26
Published:2021-05-24
CLC Number:
ZHAO Yan, PAN Xiang, LIU Bengang. Properties and Applications of Expendable Polystyrene Geofoam[J]. China Plastics, 2021, 35(5): 97-106.
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URL: https://www.plaschina.com.cn/EN/10.19491/j.issn.1001-9278.2021.05.016
| 材料 | λm /W·(m·K)-1 | λm∶λEPS |
|---|---|---|
| 路面结构层 | 1.808 | 46.4 |
| 6~8 cm 碎石 | 0.396 | 10.2 |
| 砂砾填料 | 1.919 | 49.2 |
| 亚黏土 | 0.959 | 24.6 |
| 亚黏土含角砾 | 0.939 | 24.1 |
| 弱风化基岩 | 1.030 | 26.4 |
| EPS土工泡沫 | 0.039 | — |
| 材料 | λm /W·(m·K)-1 | λm∶λEPS |
|---|---|---|
| 路面结构层 | 1.808 | 46.4 |
| 6~8 cm 碎石 | 0.396 | 10.2 |
| 砂砾填料 | 1.919 | 49.2 |
| 亚黏土 | 0.959 | 24.6 |
| 亚黏土含角砾 | 0.939 | 24.1 |
| 弱风化基岩 | 1.030 | 26.4 |
| EPS土工泡沫 | 0.039 | — |
| 材料 | ρm/kg·m-3 | ρm/ρEPS |
|---|---|---|
| 6~8 cm 碎石 | 1 500 | 38 |
| 砂砾填料 | 1 800 | 45 |
| 亚黏土 | 1 500 | 38 |
| 亚黏土含角砾 | 700 | 18 |
| 弱风化基岩 | 1 000 | 25 |
| 全风化灰岩 | 2 000 | 50 |
| 填筑土 | 1 800 | 45 |
| 粗砂 | 1 950 | 49 |
| 淤泥 | 1 560 | 39 |
| 粉质黏土 | 1 800 | 45 |
| EPS土工泡沫 | 40 | — |
| 材料 | ρm/kg·m-3 | ρm/ρEPS |
|---|---|---|
| 6~8 cm 碎石 | 1 500 | 38 |
| 砂砾填料 | 1 800 | 45 |
| 亚黏土 | 1 500 | 38 |
| 亚黏土含角砾 | 700 | 18 |
| 弱风化基岩 | 1 000 | 25 |
| 全风化灰岩 | 2 000 | 50 |
| 填筑土 | 1 800 | 45 |
| 粗砂 | 1 950 | 49 |
| 淤泥 | 1 560 | 39 |
| 粉质黏土 | 1 800 | 45 |
| EPS土工泡沫 | 40 | — |
| 处理深度/m | 造价/万元·m?1 | |||
|---|---|---|---|---|
| 预应力管桩+一般填土a | 分隔墙+塑板+超载 | 粉(湿)喷桩+粉煤灰 | EPS+不处理地基 | |
| 10 | 0.71~0.53(D?) | 1.07 | 0.73 | 0.90 |
| 20 | 1.11~0.58(D?) | 1.50 | 0.86 | 0.90 |
| 25 | 1.31~0.85(D?) | 1.72 | 1.48 | 0.90 |
| 30 | 1.63~0.98(D?) | 1.94 | — | 0.90 |
| 35 | 1.86~1.20(D?) | 2.16 | — | 0.90 |
| 中心沉降 | 0.02 | 2.14 | 6.16 | 1.34 |
| 最大沉降 | 5.99 | 17.20 | 12.40 | 8.32 |
| 处理深度/m | 造价/万元·m?1 | |||
|---|---|---|---|---|
| 预应力管桩+一般填土a | 分隔墙+塑板+超载 | 粉(湿)喷桩+粉煤灰 | EPS+不处理地基 | |
| 10 | 0.71~0.53(D?) | 1.07 | 0.73 | 0.90 |
| 20 | 1.11~0.58(D?) | 1.50 | 0.86 | 0.90 |
| 25 | 1.31~0.85(D?) | 1.72 | 1.48 | 0.90 |
| 30 | 1.63~0.98(D?) | 1.94 | — | 0.90 |
| 35 | 1.86~1.20(D?) | 2.16 | — | 0.90 |
| 中心沉降 | 0.02 | 2.14 | 6.16 | 1.34 |
| 最大沉降 | 5.99 | 17.20 | 12.40 | 8.32 |
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