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2020 Vol. 50, No. 10
Display Method:
2020, 50(10): 1-10.
doi: 10.13204/j.gyjzG20062707
Abstract:
In order to explore the performances and mechanisms of reinforced concrete stub columns with hot-rolled high-strength rebars of 635 MPa under axial compression, a finite element analysis model of reinforced concrete stub columns with hot-rolled rebar...
In order to explore the performances and mechanisms of reinforced concrete stub columns with hot-rolled high-strength rebars of 635 MPa under axial compression, a finite element analysis model of reinforced concrete stub columns with hot-rolled rebar...
2020, 50(10): 11-19.
doi: 10.13204/j.gyjzG20021905
Abstract:
Hot-rolled ribbed steel bars of 635 MPa are a new high-strength metal material produced by hot rolling and micro-alloying processes. Compared with heat-treated and cold-rolled high-strength steel bars, they have significant advantages of high strengt...
Hot-rolled ribbed steel bars of 635 MPa are a new high-strength metal material produced by hot rolling and micro-alloying processes. Compared with heat-treated and cold-rolled high-strength steel bars, they have significant advantages of high strengt...
2020, 50(10): 20-25.
doi: 10.13204/j.gyjz201904280010
Abstract:
In order to explore the applicability of rebar HRB600 for concrete flexural members under normal service conditions, five reinforced concrete beams with rebar HRB600 and different reinforcement ratios, rebar diameters and reinforcement methods were d...
In order to explore the applicability of rebar HRB600 for concrete flexural members under normal service conditions, five reinforced concrete beams with rebar HRB600 and different reinforcement ratios, rebar diameters and reinforcement methods were d...
2020, 50(10): 26-31,68.
doi: 10.13204/j.gyjzG20011902
Abstract:
Corrosion of steel is an important factor affecting the bonding properties of steel and concrete. In order to explore the bonding properties of reinforced concrete with rebar HRB600 under stable corrosion rates, the pull-out tests were carried out on...
Corrosion of steel is an important factor affecting the bonding properties of steel and concrete. In order to explore the bonding properties of reinforced concrete with rebar HRB600 under stable corrosion rates, the pull-out tests were carried out on...
2020, 50(10): 32-38.
doi: 10.13204/j.gyjzG20070703
Abstract:
Gas stations as parts of the urban infrastructure are the basis for the normal operation of social economy. They are also signs of the development of urban modernization. The quantitative analysis of the service capacity and service area for a gas st...
Gas stations as parts of the urban infrastructure are the basis for the normal operation of social economy. They are also signs of the development of urban modernization. The quantitative analysis of the service capacity and service area for a gas st...
2020, 50(10): 39-42,48.
doi: 10.13204/j.gyjzG20051704
Abstract:
Urban high-density development is not equal to high volume-ratio development, super high-rise building complexes are not simply a function of space superposition. Under the guidance of planning concept of "small blocks, dense road network", the overa...
Urban high-density development is not equal to high volume-ratio development, super high-rise building complexes are not simply a function of space superposition. Under the guidance of planning concept of "small blocks, dense road network", the overa...
2020, 50(10): 43-48.
doi: 10.13204/j.gyjzG20021906
Abstract:
With the continuous promotion of sustainable development strategies and the concept of urban ecological civilization construction, the requirements for the regeneration and reconstruction project for old factory areas were constantly improved.Through...
With the continuous promotion of sustainable development strategies and the concept of urban ecological civilization construction, the requirements for the regeneration and reconstruction project for old factory areas were constantly improved.Through...
2020, 50(10): 49-56.
doi: 10.13204/j.gyjzG20042403
Abstract:
In the paper, a new fabricated wood-structure wallboard-dovetail-mortise-and-tenon joint wood-structure wallboard, was presented. In order to explore thermal performances of wood structure wallboards, 5 kinds of wallboard specimens were fabricated, a...
In the paper, a new fabricated wood-structure wallboard-dovetail-mortise-and-tenon joint wood-structure wallboard, was presented. In order to explore thermal performances of wood structure wallboards, 5 kinds of wallboard specimens were fabricated, a...
2020, 50(10): 57-62.
doi: 10.13204/j.gyjz201908060008
Abstract:
Eight full-scale reinforced concrete (RC) beams were tested for fire resistance. The effect of boundary conditions, shear span to effective depth ratios, stirrup spacings on shear properties of beams at high temperature was analyzed. The thermal fiel...
Eight full-scale reinforced concrete (RC) beams were tested for fire resistance. The effect of boundary conditions, shear span to effective depth ratios, stirrup spacings on shear properties of beams at high temperature was analyzed. The thermal fiel...
2020, 50(10): 63-68.
doi: 10.13204/j.gyjzG20061211
Abstract:
There is a current research hotspot on performances of monolithic structure joints composite prestressed concrete slabs. A new monolithic structure joint of composite prestressed concrete slab was proposed, in which the rebars of the prefabricated pa...
There is a current research hotspot on performances of monolithic structure joints composite prestressed concrete slabs. A new monolithic structure joint of composite prestressed concrete slab was proposed, in which the rebars of the prefabricated pa...
2020, 50(10): 69-75.
doi: 10.13204/j.gyjz201906280002
Abstract:
In order to study the accumulative damage evolution law of fatigue for viaducts under impact dynamic response of trains, the 32-meter prestressed-concrete box girder of the Beijing-Tianjin Intercity High-Speed Railway was taken as a prototype to desi...
In order to study the accumulative damage evolution law of fatigue for viaducts under impact dynamic response of trains, the 32-meter prestressed-concrete box girder of the Beijing-Tianjin Intercity High-Speed Railway was taken as a prototype to desi...
2020, 50(10): 76-86,93.
doi: 10.13204/j.gyjzGYJZ201805160003
Abstract:
In view of light weight and small stiffness of the new type of cable-grider emergency bridges, vehicle-bridge coupling vibration is worth studying. The vibration differential equations of the vehicle-bridge system were established by the dynamic equi...
In view of light weight and small stiffness of the new type of cable-grider emergency bridges, vehicle-bridge coupling vibration is worth studying. The vibration differential equations of the vehicle-bridge system were established by the dynamic equi...
A CALCULATION METHOD FOR BEARING CAPACITY OF FOUNDATION UNDER DEEPLY EXCAVATED OR HIGH FILLED SLOPES
2020, 50(10): 87-93.
doi: 10.13204/j.gyjzG20062004
Abstract:
With regard to foundation bearing capacity evaluation related to the basal stability of deep excavation and high filled steep slopes, the weak points of the methods in current engineering practice were discussed, and then an improved calculation meth...
With regard to foundation bearing capacity evaluation related to the basal stability of deep excavation and high filled steep slopes, the weak points of the methods in current engineering practice were discussed, and then an improved calculation meth...
2020, 50(10): 94-100,10.
doi: 10.13204/j.gyjzG20031005
Abstract:
It's more prone to bending damage for the embankment supported with rigid pile composite foundation in soft soil areas under the action of seismic loads, even leading to serious damage and other serious consequences. The pile-soil interaction and the...
It's more prone to bending damage for the embankment supported with rigid pile composite foundation in soft soil areas under the action of seismic loads, even leading to serious damage and other serious consequences. The pile-soil interaction and the...
2020, 50(10): 101-105.
doi: 10.13204/j.gyjzG19121607
Abstract:
The discontinuity is an important characteristic of engineering rock mass, and the seepage characteristic is generally an important factor affecting its stability. In order to further study the seepage characteristic of rock discontinuity, the interf...
The discontinuity is an important characteristic of engineering rock mass, and the seepage characteristic is generally an important factor affecting its stability. In order to further study the seepage characteristic of rock discontinuity, the interf...
2020, 50(10): 106-110,62.
doi: 10.13204/j.gyjzG20010110
Abstract:
The creep model described rock materials under freeze-thaw cycles was established in the light of shale in tunnels of the western cold region. And the rock-like material specimens made of cement, sand and fly ash were cast, and after different freezi...
The creep model described rock materials under freeze-thaw cycles was established in the light of shale in tunnels of the western cold region. And the rock-like material specimens made of cement, sand and fly ash were cast, and after different freezi...
2020, 50(10): 111-116,121.
doi: 10.13204/j.gyjzG19102507
Abstract:
To study dynamic mechanical properties of freeze-thaw deteriorated concrete under frozen conditions, uniaxial compressive loading tests at different strain rates (1.0×10-5,1.0×10-4,5.0×10-4,1.0×10-3,5.0×10-3 and 5.0×10-3 s-1) after different freeze-t...
To study dynamic mechanical properties of freeze-thaw deteriorated concrete under frozen conditions, uniaxial compressive loading tests at different strain rates (1.0×10-5,1.0×10-4,5.0×10-4,1.0×10-3,5.0×10-3 and 5.0×10-3 s-1) after different freeze-t...
2020, 50(10): 117-121.
doi: 10.13204/j.gyjzG19113018
Abstract:
Raman spectroscopy, XRD, backscattered electronic images and Mott-Schottky plots were used to explore the redox properties and charge transport characteristics in mill scales of rebars in saturated Ca(OH)2 solution. The results showed that mill scale...
Raman spectroscopy, XRD, backscattered electronic images and Mott-Schottky plots were used to explore the redox properties and charge transport characteristics in mill scales of rebars in saturated Ca(OH)2 solution. The results showed that mill scale...
2020, 50(10): 122-128.
doi: 10.13204/j.gyjzG19110401
Abstract:
In order to study the effect of steel fibers and polypropylene fibers on frost resistance of concrete under different environmental conditions, freeze-thaw media, fiber types, fiber contents and acted loads were chosen as variables. Based on the rapi...
In order to study the effect of steel fibers and polypropylene fibers on frost resistance of concrete under different environmental conditions, freeze-thaw media, fiber types, fiber contents and acted loads were chosen as variables. Based on the rapi...
2020, 50(10): 129-132,169.
doi: 10.13204/j.gyjzG19111504
Abstract:
Splitting tensile test was conducted on concrete reinforced by 3D steel fibers with single hooked end, as well as 4D and 5D steel fibers with multiple hooked-ends. Then the effects of concrete matrix strength, volume fractions and types of steel fibe...
Splitting tensile test was conducted on concrete reinforced by 3D steel fibers with single hooked end, as well as 4D and 5D steel fibers with multiple hooked-ends. Then the effects of concrete matrix strength, volume fractions and types of steel fibe...
2020, 50(10): 133-137.
doi: 10.13204/j.gyjzG20042207
Abstract:
The incremental launching construction technique has been widely used in bridge construction due to its low requirements for bridge foundations and construction spaces, and still high construction efficiency, etc. To date the walking incremental laun...
The incremental launching construction technique has been widely used in bridge construction due to its low requirements for bridge foundations and construction spaces, and still high construction efficiency, etc. To date the walking incremental laun...
2020, 50(10): 138-144.
doi: 10.13204/j.gyjz201907310011
Abstract:
A kind of two-end-linear-truss-string structure was studied, and the finite element models of circular-arc truss string structure and two-end-linear-truss-string structure with different end inclination angles were modelled. The difference of interna...
A kind of two-end-linear-truss-string structure was studied, and the finite element models of circular-arc truss string structure and two-end-linear-truss-string structure with different end inclination angles were modelled. The difference of interna...
2020, 50(10): 145-151.
doi: 10.13204/j.gyjzGYJZ201907150004
Abstract:
In order to study the coupling mechanism of transmission tower-line systems and explore failure modes and mechanisms of ultimate states, an aeroelastic model of transmission tower-line systems considering ultimate states was designed based on a 220 k...
In order to study the coupling mechanism of transmission tower-line systems and explore failure modes and mechanisms of ultimate states, an aeroelastic model of transmission tower-line systems considering ultimate states was designed based on a 220 k...
2020, 50(10): 152-159,193.
doi: 10.13204/j.gyjzG19111310
Abstract:
An experimental research of 6 high-strength-concrete-filled high-strength-steel square-tube (HCHSST) stub columns subjected to biaxial eccentric loading was performed. The mechanical properties of the members with different eccentricity (0.27 to 0.80...
An experimental research of 6 high-strength-concrete-filled high-strength-steel square-tube (HCHSST) stub columns subjected to biaxial eccentric loading was performed. The mechanical properties of the members with different eccentricity (0.27 to 0.80...
2020, 50(10): 160-169.
doi: 10.13204/j.gyjzG20020406
Abstract:
The pseudo-static tests and simulations of six walls with different spacings frames vertical limbs and foam concrete densities PX-1, PX-2, PX-3, PX-4, PX-5 and PX-6 were finished up. The bearing performances of walls under different spacings of vevti...
The pseudo-static tests and simulations of six walls with different spacings frames vertical limbs and foam concrete densities PX-1, PX-2, PX-3, PX-4, PX-5 and PX-6 were finished up. The bearing performances of walls under different spacings of vevti...
2020, 50(10): 170-179,198.
doi: 10.13204/j.gyjzG20020408
Abstract:
In the paper, the three composite concrete two-way slabs of SXB-1, SXB-2, and SXB-3 reinforced with cold-formed thin-wall square steel tubes and with a density of 1 600 kg/m3 of foam concrete were tested and compared by FEM simulations. The failure p...
In the paper, the three composite concrete two-way slabs of SXB-1, SXB-2, and SXB-3 reinforced with cold-formed thin-wall square steel tubes and with a density of 1 600 kg/m3 of foam concrete were tested and compared by FEM simulations. The failure p...
2020, 50(10): 180-186,75.
doi: 10.13204/j.gyjz201904140005
Abstract:
Shear walls are main lateral resistance members of high-rise and super-high-rise buildings, which are very important to the seismic performances of building structures. The pseudo-static analysis of seven hybrid FRP-steel-reinforced concrete shear wa...
Shear walls are main lateral resistance members of high-rise and super-high-rise buildings, which are very important to the seismic performances of building structures. The pseudo-static analysis of seven hybrid FRP-steel-reinforced concrete shear wa...
2020, 50(10): 187-193.
doi: 10.13204/j.gyjzG20011609
Abstract:
Based on verification of fimite element analysis results with relevant experiment data, the axial compression properties of concrete-encased concrete-filled steel tubular (CFST) stub columns at room temperatures, post-fire and strengthened with cladd...
Based on verification of fimite element analysis results with relevant experiment data, the axial compression properties of concrete-encased concrete-filled steel tubular (CFST) stub columns at room temperatures, post-fire and strengthened with cladd...
ARCHITECTURAL DESIGN OF THE MEMORIAL HALL FOR RED SISTER-IN-LAWS IN YIMEMG AREA IN THE LOCAL CONTEXT
2020, 50(10): 194-198.
doi: 10.13204/j.gyjzG20032905
Abstract:
The locality expressed by Red Buildings of villages can effectively highlight the symbolic meaning and connotative characteristics of Red Cultures.Through analysis and explanation of the on-site design concepts of rural Red Buildings, combined with t...
The locality expressed by Red Buildings of villages can effectively highlight the symbolic meaning and connotative characteristics of Red Cultures.Through analysis and explanation of the on-site design concepts of rural Red Buildings, combined with t...
