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Application of Penetration Method to Evaluation of the Strength of Ready-Mixed Soil Materials
|引用:||1.ASTM D6024, “Standard Test Method for Ball Drop on Controlled Low Strength Material (CLSM) to Determine Suitability for Load Application,” Annual Book of ASTM Standards, Vol. 04.09. 2.ASTM C403, “Standard Test Method for Time of Setting of Concrete Mixtures by Penetration Resistance,” Annual Book of ASTM Standards, Vol. 04.02. 3.ASTM D1558, “Standard Test Method for Moisture Content Penetration Resistance Relationships of Fine-Grained Soils,” Annual Book of ASTM Standards, Vol. 04.08. 4.ACI Committee 229, ACI (1994). “Controlled Low Strength Materials (CLSM) (ACI 229R-94),” Concrete International, July 1994, pp 55-64. 5.ACI Committee 230, ACI (1990). “State-of-the-Art (ACI 230R-90),” ACI Materials Journal, Vol. 87, No. 4, July-August 1990, pp. 395-417. 6.張政豐，預拌土壤工法及其裝置，中華民國專利發明第I225530號，中華民國93年12月21日。 7.ASTM C805 (1992), "Standard Test Method for Rebound Number of Hardened Concrete," Annual Book of ASTM Standards, Vol. 04.02. 8.ASTM C803 (1992), "Standard Test Method for Penetration Resistance of Hardened Concrete," Annual Book of ASTM Standards, Vol. 04.02. 9.ASTM C1150 (1992), "Standard Test Method for the Break-Off Number of Concrete," Annual Book of ASTM Standards, Vol. 04.02. 10.ASTM C900 (1999), "Standard Test Method for Pullout Strength of Hardened Concrete," Annual Book of ASTM Standards, Vol. 04.02. 11.BSI, 1992, “Recommendations for the Assessment of Concrete Strength by Near-to-Surface Tests,” BS 1881, Part 207, British Standards Institution. 12.ASTM C597 (1992), "Standard Test Method for Pulse Velocity through Concrete," Annual Book of ASTM Standards, Vol. 04.02. 13.ASTM C1074 (1992), "Standard Practice for Estimating Concrete Strength by the Maturity Method," Annual Book of ASTM Standards, Vol. 04.02. 14.ASTM C873 (1992), "Test Method for Compressive Strength of Concrete Cylinders Cast in Place in Cylindrical Molds," Annual Book of ASTM Standards, Vol. 04.02. 15.ACI Committee 228 Report (1995), "In-Place Methods to Estimate Concrete Strength," ACI 228.1R-95, 41 page. 16.經濟部水利署，現地開挖土壤之回收利用-CLSM成果報告(2005)。|
|摘要:||本論文針對使用現地開挖土壤進行拌合之RMSM（Ready-Mixed Soil Material）之品檢技術進行研究。配合RMSM的設計目標強度範圍大約介於10 kgf/cm2至50 kgf/cm2之間，同時需討論強度等級的差異及有無添加物(如爐石粉)對貫入深度的影響，選定七組配比進行試驗，使用火藥擊釘槍搭配白色火藥和單發平頭釘進行貫入抵抗試驗，建立貫入露出長度與強度之關係曲線。實驗結果顯示所選用之火藥擊釘槍、火藥和單發平頭釘，採用槍頭離測試表面為高度為2.5 cm時，可適用於量測RMSM (強度範圍7 ~ 84 kgf/cm2)。其試驗結果顯示貫入狀況相當穩定，數據具有相當程度的可靠度。根據分析結果，配比變化對貫入試驗的穩定度影響不大。|
The objective of this thesis is to establish the relation between the exposed length obtained from penetration tests and the compressive strength of RMSM (Ready-Mixed Soil Material) which is produced by mixing Portland cement with soil in the field. The compressive strength of RMSM ranges from 10 to 50 kgf/cm2. The influence of the addition of slag on the exposed length-strength relationship is also discussed. A powder actuated gun with white cartridge was used as a penetration tool in the study. The experimental results show that the selected powder actuated gun is suitable for the penetration tests with a gun head 2.5 cm away from the test surface. A good relationship between the exposed length and the compressive strength was obtained for RMSM with strength ranging between 7 ~ 84 kgf/cm2. The results also show that the variation in mixture proportions of RMSM does not have a significant effect on the exposed length and strength relationship.
|Appears in Collections:||土木工程學系所|
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