NSTL国家科技图书文献中心

1. Shear rheological behavior of clay: direct simple shear test and equivalent timeline concept‑based model NSTL国家科技图书文献中心

Ge Chen | Jungao Zhu ... - 《Bulletin of engineering geology and the environment》 - 2025,84(2) - 76.1～76.15 - 共15页

摘要： walls. In this study, a series of direct simple shear | western China. Test results reveal that both the shear | Studying the shear* rheological properties of* | investigate the shear* rheological behavior of clay in* | straintime curve and shear* stressstrain curve can be well*

关键词： Direct simple shear test | Shear deformation | Clay | Shear rheological model | Equivalent timeline theory

2. Mineral Evaluation and Undrained Cyclic Shear Response of MICP-Treated Sand in the Presence of Magnesium and Sulfate NSTL国家科技图书文献中心

Jinung Do | Qianwen Liu ... - 《Journal of Materials in Civil Engineering》 - 2025,37(4) - 4025033.1～4025033.14 - 共14页

摘要： conducted within soil columns and cyclic direct simple | on mineral formation and the undrained shear | shear devices. The undrained cyclic shear response was | undrained shear* responses of MICP-treated sand. During the* | Microbially induced carbonate precipitation

关键词： Microbially induced carbonate precipitation (MICP) | CaCO_3 formation | Mg~(2+) | SO_4~(2-) | Salt water | Cyclic direct simple shear test (CDSS)

3. Threshold of Cyclic Phenomena NSTL国家科技图书文献中心

Vedran Pavlic | Tomislav Ivsic - 《Journal of geotechnical and geoenvironmental engineering》 - 2025,151(4) - 4025013.1～4025013.13 - 共13页

摘要： numerical model, the laboratory direct simple shear test | are characterized by changes in their shear* modulus* | when the amplitude of the cyclic shear* strain exceeds* | the cyclic threshold shear* strain. To investigate* | accumulation threshold cyclic shear* strain _t = 4 × 10~(-5*

关键词： Discrete element method | Force chains | Sand | Cyclic phenomena | Simple shear test | Threshold | Discontinuum

4. An improved dual shear unified strength model (IDSUSM) considering strain softening effect NSTL国家科技图书文献中心

Yan, Shen | Geng, Dajiang ... - 《International Journal of Damage Mechanics》 - 2025,34(2) - 213～235 - 共23页

摘要：This study proposes an improved dual shear | . The improved model is then simplified into simple | tension and compression, plane stress pure shear* and tri* | combination of direct* determination, equation solution and* | . Validated against the test* results, the improved model*

关键词： Dual shear unified strength model | strain softening effect | intermediate principal stress | improved implicit algorithm | BP neural network

5. Evaluation and Future Prospects of Data-Driven Intelligence-Based Framework for Predicting Cyclic Behavior of Reconstituted Sand NSTL国家科技图书文献中心

Jas, Kaushik | Jana, Amalesh ... - 《International journal for numerical and analytical methods in geomechanics》 - 2025,49(5) - 1597～1621 - 共25页

摘要： conducting cyclic direct* simple shear (CDSS) tests on* | constitutive models rather than laboratory test* results. Also* | only laboratory test* databases and deep learning (DL* | shear strain (gamma [%]) and excess pore pressure | Most of the robust artificial intelligence (AI

关键词： dynamic soil properties | excess pore pressure ratio | gated recurrent unit (GRU) | long short-term memory (LSTM) | shear strain | uniform cyclic loading | long short‐term memory (LSTM)

6. Osteochondral Regeneration With Anatomical Scaffold 3D-Printing-Design Considerations for Interface Integration NSTL国家科技图书文献中心

Nedrelow, David S. | Townsend, Jakob M.... - 《Journal of biomedical materials research,Part A》 - 2025,113(1) - e37804～e37804 - 共17页

摘要： integration, the interface shear* test is recommended to* | architectures, going beyond simple* plug-shaped scaffolds that* | methods were employed, which has made direct* comparisons* | There is a clinical need for osteochondral | scaffolds with complex geometries for restoring

关键词： 3D-printed | chondrogenic | goat | hydroxyapatite | osteogenic | polycaprolactone | 3D‐printed

7. A novel dual stress/strain-controlled direct simple shear apparatus to study shear strength and shear creep of clay NSTL国家科技图书文献中心

Chen, Ge | Zhu, Jungao ... - 《Geomechanics and engineering》 - 2024,37(6) - 615～627 - 共13页

摘要：Direct simple shear test is an effective | of soil. However, existing direct simple shear | simple shear apparatus. The novel apparatus has the | simple shear apparatus, shear strength and shear creep | a novel dual stress/strain-controlled direct

关键词： creep test | direct simple shear apparatus | shear strength test | steel laminations | stress/strain control | uniform shearing

8. Shear rate effect on clay-structure interface strength properties in various interface boundary conditions NSTL国家科技图书文献中心

Shi-ao Liu | Chencong Liao ... - 《Soil dynamics and earthquake engineering》 - 2024,177(Feb.) - 108389.1～108389.14 - 共14页 - 被引量：1

摘要：Based on the modified simple direct shear | pressure and interface shear* displacement, a series of* | interface shear tests and corresponding pure clay shear | shear rates, respectively V1 = 0.0002 mm/s, V2 = 0.001 | that the shear* strength of the clay-structure*

关键词： Interface direct simple shear test | Interface boundary conditions | Shear rate effect | Interface roughness | Overconsolidation ratio

9. Dynamic responses of sand-clay mixtures under long-term cyclic loading NSTL国家科技图书文献中心

Sun J. | Li J.... - 《Soil dynamics and earthquake engineering》 - 2024,178(Mar.) - 1.1～1.13 - 共13页

摘要： direct simple shear tests on sand-clay mixtures with | -clay mixtures under a large number of shear* cycles* | increase in shear* strain. As the sand content increases* | from 0 % to 75 %, the normalized shear* modulus* | decreases by 35.9 % at a shear* strain of 1 %. In contrast*

关键词： Cyclic shear modulus | Cyclic shear strength | Damping ratio | Direct simple shear test | Offshore foundation | Sand-clay mixture

10. Comparative analysis on shear mechanical properties of soil- rock mixture under direct shear and simple shear tests NSTL国家科技图书文献中心

Yiliang Tu | Siyu Ren ... - 《Construction & Building Materials》 - 2024,444(Sep.20) - 137830.1～137830.18 - 共18页 - 被引量：1

摘要： shear zone of SRM in the simple shear test exhibits a | principal stresses. Therefore, the simple shear test | models of SRM were established for direct* shear and* | simple shear tests respectively.Finally, the shear | investigating the shear* mechanical properties of SRM. The*

摘要： walls. In this study, a series of direct simple shear | western China. Test results reveal that both the shear | Studying the shear* rheological properties of* | investigate the shear* rheological behavior of clay in* | straintime curve and shear* stressstrain curve can be well*

关键词： Direct simple shear test | Shear deformation | Clay | Shear rheological model | Equivalent timeline theory

摘要： conducted within soil columns and cyclic direct simple | on mineral formation and the undrained shear | shear devices. The undrained cyclic shear response was | undrained shear* responses of MICP-treated sand. During the* | Microbially induced carbonate precipitation

关键词： Microbially induced carbonate precipitation (MICP) | CaCO_3 formation | Mg~(2+) | SO_4~(2-) | Salt water | Cyclic direct simple shear test (CDSS)

摘要： numerical model, the laboratory direct simple shear test | are characterized by changes in their shear* modulus* | when the amplitude of the cyclic shear* strain exceeds* | the cyclic threshold shear* strain. To investigate* | accumulation threshold cyclic shear* strain _t = 4 × 10~(-5*

关键词： Discrete element method | Force chains | Sand | Cyclic phenomena | Simple shear test | Threshold | Discontinuum

摘要：This study proposes an improved dual shear | . The improved model is then simplified into simple | tension and compression, plane stress pure shear* and tri* | combination of direct* determination, equation solution and* | . Validated against the test* results, the improved model*

关键词： Dual shear unified strength model | strain softening effect | intermediate principal stress | improved implicit algorithm | BP neural network

摘要： conducting cyclic direct* simple shear (CDSS) tests on* | constitutive models rather than laboratory test* results. Also* | only laboratory test* databases and deep learning (DL* | shear strain (gamma [%]) and excess pore pressure | Most of the robust artificial intelligence (AI

关键词： dynamic soil properties | excess pore pressure ratio | gated recurrent unit (GRU) | long short-term memory (LSTM) | shear strain | uniform cyclic loading | long short‐term memory (LSTM)

摘要： integration, the interface shear* test is recommended to* | architectures, going beyond simple* plug-shaped scaffolds that* | methods were employed, which has made direct* comparisons* | There is a clinical need for osteochondral | scaffolds with complex geometries for restoring

关键词： 3D-printed | chondrogenic | goat | hydroxyapatite | osteogenic | polycaprolactone | 3D‐printed

摘要：Direct simple shear test is an effective | of soil. However, existing direct simple shear | simple shear apparatus. The novel apparatus has the | simple shear apparatus, shear strength and shear creep | a novel dual stress/strain-controlled direct

关键词： creep test | direct simple shear apparatus | shear strength test | steel laminations | stress/strain control | uniform shearing

摘要：Based on the modified simple direct shear | pressure and interface shear* displacement, a series of* | interface shear tests and corresponding pure clay shear | shear rates, respectively V1 = 0.0002 mm/s, V2 = 0.001 | that the shear* strength of the clay-structure*

关键词： Interface direct simple shear test | Interface boundary conditions | Shear rate effect | Interface roughness | Overconsolidation ratio

摘要： direct simple shear tests on sand-clay mixtures with | -clay mixtures under a large number of shear* cycles* | increase in shear* strain. As the sand content increases* | from 0 % to 75 %, the normalized shear* modulus* | decreases by 35.9 % at a shear* strain of 1 %. In contrast*

关键词： Cyclic shear modulus | Cyclic shear strength | Damping ratio | Direct simple shear test | Offshore foundation | Sand-clay mixture

摘要： shear zone of SRM in the simple shear test exhibits a | principal stresses. Therefore, the simple shear test | models of SRM were established for direct* shear and* | simple shear tests respectively.Finally, the shear | investigating the shear* mechanical properties of SRM. The*

关键词： Soil-rock mixture | Direct shear test | Simple shear test | Discrete element method | Shear mechanical properties

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： walls. In this study, a series of direct simple shear | western China. Test results reveal that both the shear | Studying the shear rheological properties of | investigate the shear rheological behavior of clay in | straintime curve and shear stressstrain curve can be well

关键词： Direct simple shear test | Shear deformation | Clay | Shear rheological model | Equivalent timeline theory

摘要： conducted within soil columns and cyclic direct simple | on mineral formation and the undrained shear | shear devices. The undrained cyclic shear response was | undrained shear responses of MICP-treated sand. During the | Microbially induced carbonate precipitation

关键词： Microbially induced carbonate precipitation (MICP) | CaCO_3 formation | Mg~(2+) | SO_4~(2-) | Salt water | Cyclic direct simple shear test (CDSS)

摘要： numerical model, the laboratory direct simple shear test | are characterized by changes in their shear modulus | when the amplitude of the cyclic shear strain exceeds | the cyclic threshold shear strain. To investigate | accumulation threshold cyclic shear strain _t = 4 × 10~(-5

关键词： Discrete element method | Force chains | Sand | Cyclic phenomena | Simple shear test | Threshold | Discontinuum

摘要：This study proposes an improved dual shear | . The improved model is then simplified into simple | tension and compression, plane stress pure shear and tri | combination of direct determination, equation solution and | . Validated against the test results, the improved model

关键词： Dual shear unified strength model | strain softening effect | intermediate principal stress | improved implicit algorithm | BP neural network

摘要： conducting cyclic direct simple shear (CDSS) tests on | constitutive models rather than laboratory test results. Also | only laboratory test databases and deep learning (DL | shear strain (gamma [%]) and excess pore pressure | Most of the robust artificial intelligence (AI

关键词： dynamic soil properties | excess pore pressure ratio | gated recurrent unit (GRU) | long short-term memory (LSTM) | shear strain | uniform cyclic loading | long short‐term memory (LSTM)

摘要： integration, the interface shear test is recommended to | architectures, going beyond simple plug-shaped scaffolds that | methods were employed, which has made direct comparisons | There is a clinical need for osteochondral | scaffolds with complex geometries for restoring

关键词： 3D-printed | chondrogenic | goat | hydroxyapatite | osteogenic | polycaprolactone | 3D‐printed

摘要：Direct simple shear test is an effective | of soil. However, existing direct simple shear | simple shear apparatus. The novel apparatus has the | simple shear apparatus, shear strength and shear creep | a novel dual stress/strain-controlled direct

关键词： creep test | direct simple shear apparatus | shear strength test | steel laminations | stress/strain control | uniform shearing

摘要：Based on the modified simple direct shear | pressure and interface shear displacement, a series of | interface shear tests and corresponding pure clay shear | shear rates, respectively V1 = 0.0002 mm/s, V2 = 0.001 | that the shear strength of the clay-structure

关键词： Interface direct simple shear test | Interface boundary conditions | Shear rate effect | Interface roughness | Overconsolidation ratio

摘要： direct simple shear tests on sand-clay mixtures with | -clay mixtures under a large number of shear cycles | increase in shear strain. As the sand content increases | from 0 % to 75 %, the normalized shear modulus | decreases by 35.9 % at a shear strain of 1 %. In contrast

关键词： Cyclic shear modulus | Cyclic shear strength | Damping ratio | Direct simple shear test | Offshore foundation | Sand-clay mixture

摘要： shear zone of SRM in the simple shear test exhibits a | principal stresses. Therefore, the simple shear test | models of SRM were established for direct shear and | simple shear tests respectively.Finally, the shear | investigating the shear mechanical properties of SRM. The

关键词： Soil-rock mixture | Direct shear test | Simple shear test | Discrete element method | Shear mechanical properties

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： walls. In this study, a series of direct simple shear | western China. Test results reveal that both the shear | Studying the shear* rheological properties of* | investigate the shear* rheological behavior of clay in* | straintime curve and shear* stressstrain curve can be well*

摘要： conducted within soil columns and cyclic direct simple | on mineral formation and the undrained shear | shear devices. The undrained cyclic shear response was | undrained shear* responses of MICP-treated sand. During the* | Microbially induced carbonate precipitation

摘要： numerical model, the laboratory direct simple shear test | are characterized by changes in their shear* modulus* | when the amplitude of the cyclic shear* strain exceeds* | the cyclic threshold shear* strain. To investigate* | accumulation threshold cyclic shear* strain _t = 4 × 10~(-5*

摘要：This study proposes an improved dual shear | . The improved model is then simplified into simple | tension and compression, plane stress pure shear* and tri* | combination of direct* determination, equation solution and* | . Validated against the test* results, the improved model*

摘要： conducting cyclic direct* simple shear (CDSS) tests on* | constitutive models rather than laboratory test* results. Also* | only laboratory test* databases and deep learning (DL* | shear strain (gamma [%]) and excess pore pressure | Most of the robust artificial intelligence (AI

摘要： integration, the interface shear* test is recommended to* | architectures, going beyond simple* plug-shaped scaffolds that* | methods were employed, which has made direct* comparisons* | There is a clinical need for osteochondral | scaffolds with complex geometries for restoring

摘要：Based on the modified simple direct shear | pressure and interface shear* displacement, a series of* | interface shear tests and corresponding pure clay shear | shear rates, respectively V1 = 0.0002 mm/s, V2 = 0.001 | that the shear* strength of the clay-structure*

摘要： direct simple shear tests on sand-clay mixtures with | -clay mixtures under a large number of shear* cycles* | increase in shear* strain. As the sand content increases* | from 0 % to 75 %, the normalized shear* modulus* | decreases by 35.9 % at a shear* strain of 1 %. In contrast*

摘要： shear zone of SRM in the simple shear test exhibits a | principal stresses. Therefore, the simple shear test | models of SRM were established for direct* shear and* | simple shear tests respectively.Finally, the shear | investigating the shear* mechanical properties of SRM. The*