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2021 Vol. 51, No. 6
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2021, 51(6): 1-8.
doi: 10.13204/j.gyjz201909110005
Abstract:
3D concrete printing technique has become the main means of intelligent construction because of its advantages of digitalization, automation and intelligence. The paper firstly introduced the basic principle and corresponding approaches of 3D concret...
3D concrete printing technique has become the main means of intelligent construction because of its advantages of digitalization, automation and intelligence. The paper firstly introduced the basic principle and corresponding approaches of 3D concret...
2021, 51(6): 9-15.
doi: 10.13204/j.gyjzG21031901
Abstract:
In recent years, 3D printing has attracted widespread attention and has been successfully applied in the field of civil engineering. The layer-by-layer additive manufacturing method gives it a high degree of flexibility, but it is difficult to achiev...
In recent years, 3D printing has attracted widespread attention and has been successfully applied in the field of civil engineering. The layer-by-layer additive manufacturing method gives it a high degree of flexibility, but it is difficult to achiev...
2021, 51(6): 16-23.
doi: 10.13204/j.gyjzG20120105
Abstract:
To quantify the buildability performance of 3D printed concrete, according to its rheological characteristics during pumping, extrusion and deposition, a strength failure model based on yield stress and self-weight stress of printing concrete was est...
To quantify the buildability performance of 3D printed concrete, according to its rheological characteristics during pumping, extrusion and deposition, a strength failure model based on yield stress and self-weight stress of printing concrete was est...
2021, 51(6): 24-28.
doi: 10.13204/j.gyjzG20122904
Abstract:
The requirements of concrete printing technique make it impossible to install stirrups in beam members. Therefore, printed concrete beam members with different truss-type reinforcements were designed, and static loading tests were carried out. Normal...
The requirements of concrete printing technique make it impossible to install stirrups in beam members. Therefore, printed concrete beam members with different truss-type reinforcements were designed, and static loading tests were carried out. Normal...
2021, 51(6): 29-35.
doi: 10.13204/j.gyjzG21020323
Abstract:
3D printing technique is the frontier field of intelligent construction and new building industrialization. 3D printing technique has a broad application prospect in the construction field. As one of the main components bearing vertical load in the s...
3D printing technique is the frontier field of intelligent construction and new building industrialization. 3D printing technique has a broad application prospect in the construction field. As one of the main components bearing vertical load in the s...
2021, 51(6): 36-41,94.
doi: 10.13204/j.gyjzG20121501
Abstract:
Building industrialization and construction intelligence have become the current development trend. With the application of 3D printing technique in the construction field, the mechanical properties of 3D printed components need to be further studied...
Building industrialization and construction intelligence have become the current development trend. With the application of 3D printing technique in the construction field, the mechanical properties of 3D printed components need to be further studied...
2021, 51(6): 42-47,83.
doi: 10.13204/j.gyjzG21020403
Abstract:
As a research hotspot of in-situ utlization techniques for lunar resources, the in-situ forming technique of the lunar soil is the key to the manufacture of construction materials and the implementation of the lunar surface infrastructure. Based on t...
As a research hotspot of in-situ utlization techniques for lunar resources, the in-situ forming technique of the lunar soil is the key to the manufacture of construction materials and the implementation of the lunar surface infrastructure. Based on t...
2021, 51(6): 48-53,58.
doi: 10.13204/j.gyjzG20060103
Abstract:
The industrial zone planned and constructed under the historical limitation of "Heavy Industry Thought" has the characteristics of single function and isolated form. There was a large-scale decline in the process of urbanization and industrialization...
The industrial zone planned and constructed under the historical limitation of "Heavy Industry Thought" has the characteristics of single function and isolated form. There was a large-scale decline in the process of urbanization and industrialization...
2021, 51(6): 54-58.
doi: 10.13204/j.gyjzG20052908
Abstract:
The study briefly summarized the development process of modern silk reeling industry in China, and summaried the historical evolution of Yongtai Silk Factory. It expounded the heritage value of the silk factory site and main buildings. Based on the l...
The study briefly summarized the development process of modern silk reeling industry in China, and summaried the historical evolution of Yongtai Silk Factory. It expounded the heritage value of the silk factory site and main buildings. Based on the l...
2021, 51(6): 59-66,23.
doi: 10.13204/j.gyjzG20042108
Abstract:
In order to simplify the connection complexity of precast concrete members and reduce the construction difficulty, a precast concrete beam with H-shaped steel joints on both ends was proposed. The ends of the H-shaped steel of the prefabricated concr...
In order to simplify the connection complexity of precast concrete members and reduce the construction difficulty, a precast concrete beam with H-shaped steel joints on both ends was proposed. The ends of the H-shaped steel of the prefabricated concr...
2021, 51(6): 67-71.
doi: 10.13204/j.gyjzG20080704
Abstract:
The cambers of three prestressed concrete doubletees with concrete strength grade of C50 at the moment of prestressed tendons releasing and the age of 7 days were measured, meanwhile, the elastic modulus and compressive strength of the concrete speci...
The cambers of three prestressed concrete doubletees with concrete strength grade of C50 at the moment of prestressed tendons releasing and the age of 7 days were measured, meanwhile, the elastic modulus and compressive strength of the concrete speci...
2021, 51(6): 72-83.
doi: 10.13204/j.gyjzG20080511
Abstract:
The shear bond performance of new-to-old concrete interface with anchor bars is different from that of new-to-old concrete interface without anchor bars. The existing calculation equations for the shear strength of new-to-old concrete interface are m...
The shear bond performance of new-to-old concrete interface with anchor bars is different from that of new-to-old concrete interface without anchor bars. The existing calculation equations for the shear strength of new-to-old concrete interface are m...
2021, 51(6): 84-94.
doi: 10.13204/j.gyjzG20100401
Abstract:
In order to solve the problem of large amount of spot welding on existing wall-beam joints of steel tube bundle shear wall structure, a new type of anchoring prefabricated wall-beam joint for steel tube bundle shear wall structure was preposed. The f...
In order to solve the problem of large amount of spot welding on existing wall-beam joints of steel tube bundle shear wall structure, a new type of anchoring prefabricated wall-beam joint for steel tube bundle shear wall structure was preposed. The f...
2021, 51(6): 95-102.
doi: 10.13204/j.gyjzG20040903
Abstract:
In order to study the mechanical properties of the horizontal corrugated steel plate shear wall, and to compare it with that of flat steel plate shear wall, the shear wall specimens with flat steel plate and horizontal corrugated steel plate were des...
In order to study the mechanical properties of the horizontal corrugated steel plate shear wall, and to compare it with that of flat steel plate shear wall, the shear wall specimens with flat steel plate and horizontal corrugated steel plate were des...
2021, 51(6): 103-110,116.
doi: 10.13204/j.gyjzG20070211
Abstract:
In order to study the seismic performance of prefabricated shear wall with concrete filled steel tube frame under the rapid reciprocating load, three full-scaled single-layer single-span precast concrete-filled steel tube frame shear wall specimens w...
In order to study the seismic performance of prefabricated shear wall with concrete filled steel tube frame under the rapid reciprocating load, three full-scaled single-layer single-span precast concrete-filled steel tube frame shear wall specimens w...
2021, 51(6): 111-116.
doi: 10.13204/j.gyjzG20072604
Abstract:
To investigate the mechanical properties of the perforated plate shear connections for bamboo-concrete composite structures, the push-out tests on the perforated plate connectors were conducted. The results showed that the typical failure modes of pe...
To investigate the mechanical properties of the perforated plate shear connections for bamboo-concrete composite structures, the push-out tests on the perforated plate connectors were conducted. The results showed that the typical failure modes of pe...
2021, 51(6): 117-122.
doi: 10.13204/j.gyjzG20041902
Abstract:
Based on the axial compression test of 9 reactive powder concrete (RPC) short columns confined by square steel tubes (the concrete mixed with steel fibers and built-in spiral stirrups), the effects of steel fiber content and spiral stirrup spacing on...
Based on the axial compression test of 9 reactive powder concrete (RPC) short columns confined by square steel tubes (the concrete mixed with steel fibers and built-in spiral stirrups), the effects of steel fiber content and spiral stirrup spacing on...
2021, 51(6): 123-132,164.
doi: 10.13204/j.gyjzG20032801
Abstract:
In order to study the influence of key parameters such as steel strength, concrete strength, steel flange thickness, steel web thickness, column height, stud spacing, and stirrup spacing on the bearing capacity and failure mode of L-shaped steel spec...
In order to study the influence of key parameters such as steel strength, concrete strength, steel flange thickness, steel web thickness, column height, stud spacing, and stirrup spacing on the bearing capacity and failure mode of L-shaped steel spec...
2021, 51(6): 133-137.
doi: 10.13204/j.gyjzG20081014
Abstract:
The bearing capacity of compression bars is mostly controlled by stability rather than strength. It is the main goal to improve the stable bearing capacity of the compression members when they are reinforced. Outer sleeve reinforcement is a kind of m...
The bearing capacity of compression bars is mostly controlled by stability rather than strength. It is the main goal to improve the stable bearing capacity of the compression members when they are reinforced. Outer sleeve reinforcement is a kind of m...
2021, 51(6): 138-142.
doi: 10.13204/j.gyjzG20071310
Abstract:
To understand the effect of particle size gradations on mechanical properties of loose granular materials, direct shear tests of specimens with different coarse particle fractions were conducted. The stress-strain curves and shear strength were obtai...
To understand the effect of particle size gradations on mechanical properties of loose granular materials, direct shear tests of specimens with different coarse particle fractions were conducted. The stress-strain curves and shear strength were obtai...
2021, 51(6): 143-149,122.
doi: 10.13204/j.gyjzG20071704
Abstract:
In order to study the mechanical and structural characteristics of alluvial-diluvial subgrade fillers with different gradations, the alluvial-diluvial deposits in Luonan, Shaanxi were researched. Based on the N-method in the theory of the maximum den...
In order to study the mechanical and structural characteristics of alluvial-diluvial subgrade fillers with different gradations, the alluvial-diluvial deposits in Luonan, Shaanxi were researched. Based on the N-method in the theory of the maximum den...
2021, 51(6): 150-155.
doi: 10.13204/j.gyjzG20112804
Abstract:
In order to explore the applicability of helical anchor foundation and promote its application in gravel strata, the axial pull-out tests for complete-model and half-model helical anchors in remolded gravel ground were conducted in the laboratory. Ba...
In order to explore the applicability of helical anchor foundation and promote its application in gravel strata, the axial pull-out tests for complete-model and half-model helical anchors in remolded gravel ground were conducted in the laboratory. Ba...
2021, 51(6): 156-164.
doi: 10.13204/j.gyjzG19083102
Abstract:
In order to provide a reference to seismic design of multi-stage slopes reinforced with anti-slide piles, a sensitivity study on the stability factors of 3D slopes reinforced with anti-slide piles under earthquake action was conducted. Based on the u...
In order to provide a reference to seismic design of multi-stage slopes reinforced with anti-slide piles, a sensitivity study on the stability factors of 3D slopes reinforced with anti-slide piles under earthquake action was conducted. Based on the u...
2021, 51(6): 165-169.
doi: 10.13204/j.gyjzG20062808
Abstract:
To study the durability and service life of fiber reinforced concrete in severe cold areas, an accelerated life test of fiber reinforced concrete under temperature changes was designed. The mass loss and relative dynamic modulus of the specimen were ...
To study the durability and service life of fiber reinforced concrete in severe cold areas, an accelerated life test of fiber reinforced concrete under temperature changes was designed. The mass loss and relative dynamic modulus of the specimen were ...
2021, 51(6): 170-175,155.
doi: 10.13204/j.gyjzG20041411
Abstract:
The reinforced concrete (RC) structures in cold coastal regions or deicing salt condition were under the synthetic effects of loading cracks and corrosion led by freeze-thaw and chloride ingress. The steel was vulnerable to chloridion ingress because...
The reinforced concrete (RC) structures in cold coastal regions or deicing salt condition were under the synthetic effects of loading cracks and corrosion led by freeze-thaw and chloride ingress. The steel was vulnerable to chloridion ingress because...
2021, 51(6): 176-180,8.
doi: 10.13204/j.gyjzG20072207
Abstract:
The rapid chloridion diffusion coefficient method was used to study the effect of different curing regimes and the use of mineral admixture on chloridion resistance of white concrete. The results showed that the pure white cement concrete had the low...
The rapid chloridion diffusion coefficient method was used to study the effect of different curing regimes and the use of mineral admixture on chloridion resistance of white concrete. The results showed that the pure white cement concrete had the low...
2021, 51(6): 181-185.
doi: 10.13204/j.gyjzG20082507
Abstract:
Aiming at a high-strength seawater coral aggregate concrete (SCAC),the paper thoroughly examined the effects of several key mix parameters,such as the total cementitious material dosage,the maximum size of coral stone,the amount of composite mineral ...
Aiming at a high-strength seawater coral aggregate concrete (SCAC),the paper thoroughly examined the effects of several key mix parameters,such as the total cementitious material dosage,the maximum size of coral stone,the amount of composite mineral ...
2021, 51(6): 186-197.
doi: 10.13204/j.gyjzG20062905
Abstract:
Fiber-reinforced polymer (FRP), a new composite material with advantages such as light weight, high strength, corrosion resistance, has been widely used in strengthening of existing structures but much less in new structures. As a non-metallic materi...
Fiber-reinforced polymer (FRP), a new composite material with advantages such as light weight, high strength, corrosion resistance, has been widely used in strengthening of existing structures but much less in new structures. As a non-metallic materi...
2021, 51(6): 198-205,197.
doi: 10.13204/j.gyjzG20111816
Abstract:
In this paper, flexural bearing capacity of carbon fiber reinforced aluminum laminate (CARALL) beams, with a double-channel cross section and a 3/2 laminated configuration, were experimentally and numerically studied. Two types of specimens using dif...
In this paper, flexural bearing capacity of carbon fiber reinforced aluminum laminate (CARALL) beams, with a double-channel cross section and a 3/2 laminated configuration, were experimentally and numerically studied. Two types of specimens using dif...
2021, 51(6): 206-211,216.
doi: 10.13204/j.gyjzG20102001
Abstract:
Taking the CFRP reinforced concrete circular columns as the research object, a reliability evaluation on the axial compressed members which were designed according to the Technical Code for Infrastructure Application of FRP Composites GB 50608-2010, ...
Taking the CFRP reinforced concrete circular columns as the research object, a reliability evaluation on the axial compressed members which were designed according to the Technical Code for Infrastructure Application of FRP Composites GB 50608-2010, ...
2021, 51(6): 212-216.
doi: 10.13204/j.gyjzG20031015
Abstract:
Hubei is the birthplace of Chu culture and politics. Jingchu culture, as one of the representative cultures in the south, how to inherit and develop Jingchu culture is the main purpose of this study. Architecture is regarded as the carrier of human c...
Hubei is the birthplace of Chu culture and politics. Jingchu culture, as one of the representative cultures in the south, how to inherit and develop Jingchu culture is the main purpose of this study. Architecture is regarded as the carrier of human c...
