axial compressive strength basalt
2020-12-30T06:12:16+00:00
Axial compressive behavior of basalt and ScienceDirect
2023年10月1日 The axial compressive strength behavior of BF and PANFreinforced LWAC specimens subjected to freezethaw cycles was researched, including the axial compressive strength, peak secant and initial tangent compressive elastic modulus, 2023年3月31日 A total of 39 cylindrical specimens were studied under a monotonic axial compression test to understand the compressive behavior of FRPconfined CGC, Axial compressive behavior of basalt and carbon FRP
Axial compressive behavior of basalt and ScienceDirect
2023年10月1日 The axial compressive strength behavior of BF and PANFreinforced LWAC specimens subjected to freezethaw cycles was researched, including the axial 2022年12月15日 This paper presented an experimental investigation on the axial stress–strain behavior of cementbased seawater coral aggregate concrete (CAC) and Basalt FRPconfined slagbased alkaliactivated seawater
Empirical models for compressive and tensile strength of basalt
2023年11月14日 Basalt fibers (BF) are produced from the basalt rocks which are formed because of volcanic lava solidification BF are abundantly found on earth due to their 2023年1月1日 This paper introduces an experimental study of the axial compression behavior of BFRPconfined square RC columns Compression tests are carried out on Axial behavior of basalt FRPconfined reinforced
Experimental Analysis of Bearing Capacity of
2022年5月11日 In this paper, the construction performance and the compressive strength of basaltfiberreinforced concrete (BFRC) with five kinds of fiber lengths and eight kinds of fiber volume content subjected to 2023年3月31日 A total of 39 cylindrical specimens were studied under a monotonic axial compression test to understand the compressive behavior of FRPconfined CGC, Axial compressive behavior of basalt and carbon FRP
Experimental Study of the Compressive Strengths of Basalt
2021年9月18日 In addition, the dynamic compressive strength of basalt fiberreinforced concrete is better than ordinary concrete at every temperature on the whole; that is to 2023年4月15日 The property of high strength of lightweight aggregate concretes (LWACs) makes them widely applicable in construction However, a lowtemperature environment could accelerate the properties degradation of LWACs In this paper, the effects of freezethaw cycles on the strength behavior of basalt fiber (BF) and polyacrylonitrile fiber Strength attributes of fiberreinforced lightweight aggregate
Axial compressive behaviour of circular FRPconfined multi
2022年2月1日 MTCCs confined with basalt FRP and GFRP jackets both performed well, while an increasing of FRP thickness improved the ultimate strength and axial strain capacity of the column An analytical model based on the transformed section approach is also used to predict the axial loadstrain behaviour of the MTCC specimens2018年5月30日 P o = 085 f c ′ (A gA frp) + 035 f frp A frp P o = 085 f c ′ (A gA frp) + ε cc E frp A frp where f′c was axial compressive strength of concrete cylinder; 085 was a reduction factor This study investigates the influence of different fibers (polypropylene, glass, basalt, polyvinyl alcohol, and steel), having different aspect Experimental study and theoretical analysis on axial compressive
Dynamic Split Tensile Strength of Basalt, Granite, Marble
2022年9月28日 The aim of this study is to understand the strength behaviour and fragment size of rocks during indirect, quasistatic and dynamic tensile tests Four rocks with different lithological characteristics, namely: basalt, granite, sandstone, and marble were selected for this study Brazilian disc experiments were performed over a range of strain rates from ~ 2022年9月20日 The aim of this study was to investigate the properties of fiberreinforced pervious concrete Ordinary cement, silica fume, coarse aggregate, and basalt fibers were used to produce the concrete mix The fibers were mixed with pervious concrete at the levels of 0 kg/m3, 2 kg/m3, 4 kg/m3, 6 kg/m3, and 8 kg/m3 to the investigate their influence on Research on the Mechanical and Physical Properties of Basalt
Strength attributes of fiberreinforced lightweight aggregate
2023年4月15日 The compressive strengths of LWACs after freezethaw cycles include cubic compressive strength and axial compressive strength The relative cubic and axial compressive strength are displayed in Fig 9, Fig 10, respectively, and the test data are listed in Appendix A The specimens with BF and PANF reinforced exhibited a gradual 2022年3月17日 Abstract: To study the axial compressive performance of basalt fiber reinforced recycled concrete (BFRRC)filled circular steel tubular stub columns, the replacement ratio of recycled coarse aggregate and the content of basalt fiber were designed as the variable parameters and the axial compression performance tests on 15 圆钢管玄武岩纤维再生混凝土短柱轴压力学性能
Dynamic compressive properties of Kalgoorlie basalt rock
2020年11月1日 For basalt rocks, Malik et al12 investigated Deccan basalt rock and found the dynamic compressive strength between about 170 MPa and 260 MPa at a strain rate of about 400/s to 1600/s Lindholm et al13 found a much lower dynamic strength of about 110 MPa to 125 MPa at a strain rate of about 600/s and 1100/s for Dresser basalt rock2023年10月13日 Axial Compressive Behavior of Predamaged Concrete Cylinders Retrofitted with CFRP GridReinforced ECC compressive strength of ECC; f e p E Biçici, C Hou, and H Sezen 2021 “Effect of size and slenderness on the axialcompressive behavior of basalt FRPconfined predamaged concrete” J Compos Constr 25 (3): Axial Compressive Behavior of Predamaged Concrete
Axial behavior of basalt FRPconfined reinforced
2023年1月1日 Fig 8 shows the axial stress–strain responses of different corner radii of confined specimens, where the curves are divided into two groups according to the number of BFRP layers The axial load of the specimens was obtained using a hydraulic universal testing machine, and the axial stress data is the compressive strength of confined concreteThe axial compressive performance of steelreinforced concrete columns with monosymmetric crossshaped steel (SRCCMCS) was investigated in this study Tests were conducted under pure axial compression to Axial Compressive Performance of Steel
Experimental investigation on the elastic modulus and
2022年7月4日 A small proportion of recycled coarse aggregate can slightly increase the axial compressive strength and peak compressive strain while significantly reducing the elastic modulus An axial compression stress–strain model of the fiberreinforced alkalislag recycled concrete was established Impact strength of rice husk ash and basalt fibre form Results of the unconfined compressive strength tests on basalt y indicated, that as the loading rate was increased from 1 to 160 x 10 psi/sec, ultimate strength, total axial strain, and Young's modulus of elasticity increased Total diametral strain decreased as load ing rate was increased Results of triaxial tests indicated that theStrength and deformation properties of granite, basalt
Triaxial Compressive Strength, Failure, and Rockburst
2022年9月21日 Deep underground rock tunnels and caverns in mountainous areas are often subjected to the coupling impacts of high geostresses and highground temperature that can threaten the stability of rock masses This paper presents an experimental study of strength, deformation, and failure as well as energy evolution characteristics for rockburst 2023年8月7日 The axial compressive behavior of UltraHigh Strength Concrete (UHPC) columns reinforced with basalt bars was investigated in this work Only a few research projects have used basalt Reinforced Concrete Columns Under axial stress, 12 columns of 150 × 150 mm in cross section and 1200 mm in height manufactured of M120 grade Structural Behavior of UltraHigh Strength Concrete Columns
Study on axial compressive behavior and stress–strain
The results show that an appropriate amount of steel, basalt, and polypropylene fibers can effectively improve the axial compressive strength, peak compressive strain, and elastic modulus of alkaliactivated slag recycled concrete The axial compressive strength, peak compressive strain, and elasticity can be enhanced by 106–319%, 260–29 2021年5月3日 Among BFreinforced LWACs, LYB05 shows almost no improvement in the axial compressive strength compared to LY (f c, p l a i n); their axial compressive strengths are 4417 and 4407 MPa, respectively The reason may be that the random distribution of BFs in the concrete result in an overlapping effect, which counteracts the positive effect Comparison of effects of basalt and polyacrylonitrile fibers
Mechanical properties and microstructure of basalt fiberreinforced
2021年1月1日 The axial compressive strength of the RCA with 100% replacement ratio initially increased and then decreased, eventually reaching 681%, 990%, and 1187% The change law was consistent with that of cubic compressive strength RC with a replacement ratio of 50% showed the best axial compressive strength2022年1月27日 Yuanyuan Xia et al’s specimens were made by casting concrete into flax/basalt mixed fiber tubes prepared by the winding process to study the composite compressive properties The results show that the fiber hybrid mode of HFRP affects the failure mode of the confined concrete column, and the ultimate strength and strain of the Polymers Free FullText Study on Axial Compression
Compressive behavior of basalt FRPconfined circular and
2019年1月20日 Then, the damaged specimens were repaired with 1, 2, 4, and 6layer BFRP composites, followed by monotonic or repeated compression tests The test results showed that the compressive strength and axial deformation capacities of the damaged prismatic specimens under monotonic compressive loading were improved remarkably 2023年3月31日 The elastic modulus and axial compressive strength of coal gangue sand concrete were decreased by increasing the replacement ratio regardless of concrete grade When the replacement ratio is 100%, the elastic modulus and axial compressive strength of C30grade concrete were reduced by 29% and 126% respectively whilst the values of Axial compressive behavior of basalt and carbon FRP
Basalt FRPconfined slagbased alkaliactivated seawater
2022年12月15日 The axial compressive strength for CAC and AACAC cylinders was raised from 3041 MPa and 2368 MPa to 5908 MPa and 5672 MPa, respectively, when the FRP jacket confinement was increased from 0ply to 6ply Monotonic and cyclic axial compressive properties and modeling of basalt FRPretrofitted predamaged short 2023年5月2日 The relationship between the elastic modulus and axial compressive strength of SCG concrete is proposed Behavior of recycled aggregate concretefilled basalt and carbon Frp tubes Constr Build Mater, 105 (2016), pp 132143, 101016/jconbuildmat201512068 View PDF View article View in Scopus Google ScholarCompressive behaviors of FRPconfined concrete prepared
Investigating stress–strain relationship and damage
2023年8月15日 Elshafie [29] reported that the most significant improvement in the mechanical properties of BFRC was achieved when the length of basalt fibers ranged from 12 to 24 mm, and their fraction was 01–05 vol %Thus, we chose ordinary concrete with strength grade C35 as the base, maintained the length of basalt fibers at 18 mm, and 2018年8月24日 In order to investigate the influence of basalt fibers (BFs) on the mechanical performance of recycled aggregate concrete (RAC), some groups of RAC specimens were first tested involving different types of fibers such as carbon fibers, steel fibers, polypropylene fibers and hybrid fibers The main four indices for the investigation Mechanical Property Tests and Strength Formulas of Basalt
Study on Mechanical Properties and Optimum Fiber Content for Basalt
2021年11月9日 3 Results and Discussion 31 Compressive Performance Figures 2 and 3 compare the results of the cubic compression and axial compression tests of plain concrete (PC) and fiber concrete test blocks Regarding the cubic compressive strength, (1) in the general trend, single blending or blending of fibers reduces the cubic compressive 2020年2月19日 In view of the insufficiency of durability of ordinary reinforced concrete structures in severe corrosive marine environments in South China Sea Islands, the basalt fiber reinforced polymer (BFRP) bar was proposed to reinforce coral reef and sea sand concrete Axial compression test on 15 columns was conducted The failure mode, load Axial compression test of basalt fiber reinforced polymer
Repair of thermally damaged concrete cylinders with basalt
2021年12月1日 The compressive strength f c c θ ′ and the ultimate axial strain ε c u θ of the thermally damaged concrete wrapped with FRP jackets are calculated as follows: (4) f c c θ ′ f c θ ′ = 1 + k 1 f l, a f c θ ′ (5) ε c u θ ε c θ = 175 + k 2 f l, a f c θ ′ (ε h, r u p ε c θ) 045 where f l, a is the confining pressure It can be seen that with an increase in the basalt fiber content, there is an increase and then a decrease in the axial compressive strength The axial compressive strength of the pervious concrete increases from 1484 MPa for the control specimen (ie, the basalt fiber content is 0 kg/m 3) to 2063 MPa for a basalt fiber content of 4 kg/m 3 Research on the Mechanical and Physical Properties of Basalt
Axial compressive behavior of square concrete columns
2018年5月15日 The unique mechanical properties and lower compressive strength of SFCB inevitably influence axial compressive performance of column However, very few studies on axial compressive performance of hybrid longitudinal SFCBs and FRP ties reinforced concrete (hybridRC) columns lead to a lack of valuable experimental 2021年1月1日 This study investigates the behaviour of concrete columns reinforced with longitudinal and transverse basalt fiberreinforced polymer (BFRP) bars, the most recent of FRP composites As the crosssectional size varied from 200 mm to 600 mm, the nominal compressive strength of circular and square columns exhibited maximum decreases of Response of concrete columns reinforced with longitudinal
Influence of different mixing methods on the axial compressive strength
2016年8月1日 Download Citation On Aug 1, 2016, Ruijin Guo and others published Influence of different mixing methods on the axial compressive strength of basalt fiber recycled concrete Find, read and cite 2022年5月11日 In addition, nanocement with 10% nanosilica fume had greater compressive strength than normal cement with 10% normal silica fumes, and the findings depict it to be superior to the results of (PDF) Experimental Analysis of Bearing Capacity of Basalt
Experimental Study on Mechanical Properties of Basalt Fiber
2022年12月30日 Basalt fiber (BF) has received much attention in recent years for engineering practice and scientific research related to basalt fiber reinforced concrete (BFRC) due to its advantageous mechanical properties and costeffectiveness By researching its performance characteristics after cryogenic freeze–thaw cycles, the 2022年3月2日 However, the compressive strength and ultimate strain of the predamaged concrete were still improved by 5%41% and 82%291% after JFRP repair, respectively, when compared with those of the plain (PDF) Compressive Behavior of Predamaged Concrete
Study on Axial Compression Behavior of Concrete Short
2022年1月27日 Yuanyuan Xia et al’s specimens were made by casting concrete into flax/basalt mixed fiber tubes prepared by the winding process to study the composite compressive properties The results show that the fiber hybrid mode of HFRP affects the failure mode of the confined concrete column, and the ultimate strength and strain of the 2021年11月27日 For this study, the axial load level was about 06 f′ c bh, (where f ′c is the concrete compressive strength, \(b\) and \(h\) are the column crosssection dimensions) and strengthening was applied only around the potential plastic hinging area Results showed that GFRM played a crucial role to enhance ductility up to eight times with Seismic Performance of Substandard RC Columns Retrofitted
Compression Behavior of Basalt FiberReinforced Polymer
Basalt fiber is cheap and has excellent mechanical performance In addition, in combination with the environmentally friendly coconut fiber, it can contribute to sustainable construction materials In this study, a composite material consists of basalt fiberreinforced polymer (BFRP) tubeencased coconut fiberreinforced concrete (CFRC) is developed The 28 2023年4月15日 To explore the compressive behavior and corresponding size effect of concrete columns internally reinforced with basalt fiber‐reinforced polymer (BFRP) bars and stirrups, twelve geometrically similar columns were tested under axial compression The test parameters included crosssectional shapes, crosssectional diameters/widths and stirrup Size effect tests on axial compressive behavior of BFRP
Mechanical properties of hybrid fiber reinforced coral concrete
2022年6月1日 Compared with C00B00P00, the axial compressive strength of C00B30P00 increased by 1474%, but the improvement in the axial compressive strength of C30B00P00 was only 608% As shown in Fig 13 b, with the addition of PSFs, the axial compressive strength of coral concrete first increases and then decreases with increasing PSF dosage2023年4月15日 The property of high strength of lightweight aggregate concretes (LWACs) makes them widely applicable in construction However, a lowtemperature environment could accelerate the properties degradation of LWACs In this paper, the effects of freezethaw cycles on the strength behavior of basalt fiber (BF) and polyacrylonitrile fiber Strength attributes of fiberreinforced lightweight aggregate
Axial compressive behaviour of circular FRPconfined multi
2022年2月1日 MTCCs confined with basalt FRP and GFRP jackets both performed well, while an increasing of FRP thickness improved the ultimate strength and axial strain capacity of the column An analytical model based on the transformed section approach is also used to predict the axial loadstrain behaviour of the MTCC specimens2018年5月30日 P o = 085 f c ′ (A gA frp) + 035 f frp A frp P o = 085 f c ′ (A gA frp) + ε cc E frp A frp where f′c was axial compressive strength of concrete cylinder; 085 was a reduction factor This study investigates the influence of different fibers (polypropylene, glass, basalt, polyvinyl alcohol, and steel), having different aspect Experimental study and theoretical analysis on axial compressive
Dynamic Split Tensile Strength of Basalt, Granite, Marble
2022年9月28日 The aim of this study is to understand the strength behaviour and fragment size of rocks during indirect, quasistatic and dynamic tensile tests Four rocks with different lithological characteristics, namely: basalt, granite, sandstone, and marble were selected for this study Brazilian disc experiments were performed over a range of strain rates from ~ 2022年9月20日 The aim of this study was to investigate the properties of fiberreinforced pervious concrete Ordinary cement, silica fume, coarse aggregate, and basalt fibers were used to produce the concrete mix The fibers were mixed with pervious concrete at the levels of 0 kg/m3, 2 kg/m3, 4 kg/m3, 6 kg/m3, and 8 kg/m3 to the investigate their influence on Research on the Mechanical and Physical Properties of Basalt
Strength attributes of fiberreinforced lightweight aggregate
2023年4月15日 The compressive strengths of LWACs after freezethaw cycles include cubic compressive strength and axial compressive strength The relative cubic and axial compressive strength are displayed in Fig 9, Fig 10, respectively, and the test data are listed in Appendix A The specimens with BF and PANF reinforced exhibited a gradual 2022年3月17日 Abstract: To study the axial compressive performance of basalt fiber reinforced recycled concrete (BFRRC)filled circular steel tubular stub columns, the replacement ratio of recycled coarse aggregate and the content of basalt fiber were designed as the variable parameters and the axial compression performance tests on 15 圆钢管玄武岩纤维再生混凝土短柱轴压力学性能
Dynamic compressive properties of Kalgoorlie basalt rock
2020年11月1日 For basalt rocks, Malik et al12 investigated Deccan basalt rock and found the dynamic compressive strength between about 170 MPa and 260 MPa at a strain rate of about 400/s to 1600/s Lindholm et al13 found a much lower dynamic strength of about 110 MPa to 125 MPa at a strain rate of about 600/s and 1100/s for Dresser basalt rock2023年10月13日 Axial Compressive Behavior of Predamaged Concrete Cylinders Retrofitted with CFRP GridReinforced ECC compressive strength of ECC; f e p E Biçici, C Hou, and H Sezen 2021 “Effect of size and slenderness on the axialcompressive behavior of basalt FRPconfined predamaged concrete” J Compos Constr 25 (3): Axial Compressive Behavior of Predamaged Concrete
Axial behavior of basalt FRPconfined reinforced
2023年1月1日 Fig 8 shows the axial stress–strain responses of different corner radii of confined specimens, where the curves are divided into two groups according to the number of BFRP layers The axial load of the specimens was obtained using a hydraulic universal testing machine, and the axial stress data is the compressive strength of confined concrete