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2020 Vol. 50, No. 9
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2020, 50(9): 1-7,11.
doi: 10.13204/j.gyjzG20063012
Abstract:
On the basis of studying oversea disposal technology of high level radioactive wastes, the concept of geological disposal of high-level radioactive wastes was conceived in our country. On account of the conditions of repository sites and the features...
On the basis of studying oversea disposal technology of high level radioactive wastes, the concept of geological disposal of high-level radioactive wastes was conceived in our country. On account of the conditions of repository sites and the features...
2020, 50(9): 8-11.
doi: 10.13204/j.gyjzG20063013
Abstract:
Based on the conception of geological disposal for high level radioactive wastes, combined with the geological conditions of Beishan in Gansu Province and the buffer and backfill materials composed of Gaomiaozi bentonite from Inner Mongolia, the desi...
Based on the conception of geological disposal for high level radioactive wastes, combined with the geological conditions of Beishan in Gansu Province and the buffer and backfill materials composed of Gaomiaozi bentonite from Inner Mongolia, the desi...
2020, 50(9): 12-16.
doi: 10.13204/j.gyjzG20063018
Abstract:
As an important part of the engineering barrier system of high-level waste geological disposal repositories, the backfill material in the disposal drifts should have appropriate compressibility to limit the upward expansion of buffer materials in dis...
As an important part of the engineering barrier system of high-level waste geological disposal repositories, the backfill material in the disposal drifts should have appropriate compressibility to limit the upward expansion of buffer materials in dis...
2020, 50(9): 17-20.
doi: 10.13204/j.gyjzG20072301
Abstract:
Backfill materials in disposal tunnels are important parts of engineering barrier systems, and the engineering design is closely related to the long-term safety of repositories. Based on investigation of design requirements on backfill materials in S...
Backfill materials in disposal tunnels are important parts of engineering barrier systems, and the engineering design is closely related to the long-term safety of repositories. Based on investigation of design requirements on backfill materials in S...
2020, 50(9): 21-24,74.
doi: 10.13204/j.gyjzG20072114
Abstract:
Backfill materials in disposal drifts are important engineering barriers in geological disposal repositories of high-level radioactive wastes; a certain installed dry density is required to meet its barrier function. Based on the concept of geologica...
Backfill materials in disposal drifts are important engineering barriers in geological disposal repositories of high-level radioactive wastes; a certain installed dry density is required to meet its barrier function. Based on the concept of geologica...
2020, 50(9): 25-29,54.
doi: 10.13204/j.gyjzG20063009
Abstract:
The geological disposal of high-level radioactive wastes can realize long-term containment and isolation to radioantive wastes by multi-barrier systems constructed of natural barriers (surrounding rock) and engineering barriers. The buffer materials ...
The geological disposal of high-level radioactive wastes can realize long-term containment and isolation to radioantive wastes by multi-barrier systems constructed of natural barriers (surrounding rock) and engineering barriers. The buffer materials ...
2020, 50(9): 30-33.
doi: 10.13204/j.gyjzG20063008
Abstract:
Based on the function and property requirements of buffer materials in geological repositories of high-level radioactive wastes in Japan, and combined with experimental results of buffer materials, according to the properties of Gaomiaozi bentonite o...
Based on the function and property requirements of buffer materials in geological repositories of high-level radioactive wastes in Japan, and combined with experimental results of buffer materials, according to the properties of Gaomiaozi bentonite o...
2020, 50(9): 34-37,33.
doi: 10.13204/j.gyjzG20063015
Abstract:
Buffer materials are important parts of barrier systems in geological disposal of high-level radioactive wastes. Based on the physical properties of MX-80 bentonite, a Swedish buffer material, the design parameters such as permeability coefficients, ...
Buffer materials are important parts of barrier systems in geological disposal of high-level radioactive wastes. Based on the physical properties of MX-80 bentonite, a Swedish buffer material, the design parameters such as permeability coefficients, ...
2020, 50(9): 38-41,20.
doi: 10.13204/j.gyjzG20063017
Abstract:
Deep geological disposal of high-level radioactive wastes can effectively contain and isolate radioactive wastes by natural and engineering barriers (including waste containers, disposal containers and buffer materials). Based on the granite disposal...
Deep geological disposal of high-level radioactive wastes can effectively contain and isolate radioactive wastes by natural and engineering barriers (including waste containers, disposal containers and buffer materials). Based on the granite disposal...
2020, 50(9): 42-48,98.
doi: 10.13204/j.gyjzG20031206
Abstract:
Xipo village in Liulin County is a typical representative of the traditional villages in the gullied terrain area of Western Shanxi Province. The village are in a radial layout. The village is built according to the changes of the mountain situation,...
Xipo village in Liulin County is a typical representative of the traditional villages in the gullied terrain area of Western Shanxi Province. The village are in a radial layout. The village is built according to the changes of the mountain situation,...
2020, 50(9): 49-54.
doi: 10.13204/j.gyjzG19082704
Abstract:
The flexural behavior of 4 steel fiber reinforced high-strength concrete beams with HRB600 steel bars was tested with different steel fiber contents and concrete strength grades. At the same time, the failure characteristics, deflection, bearing capa...
The flexural behavior of 4 steel fiber reinforced high-strength concrete beams with HRB600 steel bars was tested with different steel fiber contents and concrete strength grades. At the same time, the failure characteristics, deflection, bearing capa...
2020, 50(9): 55-61.
doi: 10.13204/j.gyjzG20011508
Abstract:
In order to optimize the joint structure of superimposed slabs and analyze the flexural performance of the joint, three locally strengthened joint construction measures were proposed. Three specimens of the reinforced superimposed slabs were designed...
In order to optimize the joint structure of superimposed slabs and analyze the flexural performance of the joint, three locally strengthened joint construction measures were proposed. Three specimens of the reinforced superimposed slabs were designed...
2020, 50(9): 62-67.
doi: 10.13204/j.gyjzG19111005
Abstract:
In order to further expand the application range of long-span prestressed double-tees, a prestressed double-tees was designed, it can withstand a live load of 30 kN/m2, and it was applied to an experimental office building project. Through the static...
In order to further expand the application range of long-span prestressed double-tees, a prestressed double-tees was designed, it can withstand a live load of 30 kN/m2, and it was applied to an experimental office building project. Through the static...
2020, 50(9): 68-74.
doi: 10.13204/j.gyjzG19032703
Abstract:
A high-rise building with shear wall structure has been built to 27 floors above ground, and the actual strength of the shear wall concrete on the ground floor is lower than the design strength. The research used the unsupported shear wall replacemen...
A high-rise building with shear wall structure has been built to 27 floors above ground, and the actual strength of the shear wall concrete on the ground floor is lower than the design strength. The research used the unsupported shear wall replacemen...
2020, 50(9): 75-82.
doi: 10.13204/j.gyjzGYJZ201908010011
Abstract:
The paper presented an experimental study on the seismic behavior of reinforced concrete group silos with column-supported.A shaking table tests under three seismic waves were carried out on a 1×3 group silos model with a scale of 1∶25.The dynamic ch...
The paper presented an experimental study on the seismic behavior of reinforced concrete group silos with column-supported.A shaking table tests under three seismic waves were carried out on a 1×3 group silos model with a scale of 1∶25.The dynamic ch...
2020, 50(9): 83-88,117.
doi: 10.13204/j.gyjzG201906300001
Abstract:
To explore the seismic response and effects of isolation of the rocking self-centering bridge piers, two kinds of bridge piers which are called the high damping rubber pads pier and the reset springs pier were proposed. The shaking table test models ...
To explore the seismic response and effects of isolation of the rocking self-centering bridge piers, two kinds of bridge piers which are called the high damping rubber pads pier and the reset springs pier were proposed. The shaking table test models ...
2020, 50(9): 89-93.
doi: 10.13204/j.gyjzG19120207
Abstract:
In order to investigate the shear bearing capacity of inclined cross screws in timber-concrete composite beams with timber board interlayer, mechanical mechanism of inclined cross screws was studied. Mechanical models for single plastic hinge and two...
In order to investigate the shear bearing capacity of inclined cross screws in timber-concrete composite beams with timber board interlayer, mechanical mechanism of inclined cross screws was studied. Mechanical models for single plastic hinge and two...
2020, 50(9): 94-98.
doi: 10.13204/j.gyjzG19111605
Abstract:
A new high performance composite, namely, stainless steel strand reinforced Engineered Cementitious Composite (ECC), which is formed by inserting stainless steel strand into ECC. At present, the research on the stainless steel strand reinforced ECC c...
A new high performance composite, namely, stainless steel strand reinforced Engineered Cementitious Composite (ECC), which is formed by inserting stainless steel strand into ECC. At present, the research on the stainless steel strand reinforced ECC c...
2020, 50(9): 99-105,167.
doi: 10.13204/j.gyjzG20050903
Abstract:
The problem of concrete shrinkage and cracking seriously endangers the structural safety and normal use of building engineering, and the accurate and rapid prediction of early crack resistance of concrete has become the research focus. In this paper,...
The problem of concrete shrinkage and cracking seriously endangers the structural safety and normal use of building engineering, and the accurate and rapid prediction of early crack resistance of concrete has become the research focus. In this paper,...
2020, 50(9): 106-111.
doi: 10.13204/j.gyjzG20040106
Abstract:
Shenzhen Ping’an Financial Center is a super-high-rise building in China. The pile foundation of the project is rock-socketed end-bearing piles with a super large diameter. Due to the creep and shrinkage of concrete materials, the compression of pile...
Shenzhen Ping’an Financial Center is a super-high-rise building in China. The pile foundation of the project is rock-socketed end-bearing piles with a super large diameter. Due to the creep and shrinkage of concrete materials, the compression of pile...
2020, 50(9): 112-117.
doi: 10.13204/j.gyjzG201904160007
Abstract:
In order to investigate the mechanic properties of steel tubular scaffold (STC), a nonlinear numerical analysis model of the STC based on the beam-column method considering the second-order effect and the nonlinear semi-rigid connection was proposed....
In order to investigate the mechanic properties of steel tubular scaffold (STC), a nonlinear numerical analysis model of the STC based on the beam-column method considering the second-order effect and the nonlinear semi-rigid connection was proposed....
2020, 50(9): 118-121,146.
doi: 10.13204/j.gyjzG201904210001
Abstract:
The formwork supporting frame with new pulley-clip style, used in the complex teaching building located in the new campus of Hebei Normal University, was selected as the study object. Based on engineering practice, the axial compression of vertical p...
The formwork supporting frame with new pulley-clip style, used in the complex teaching building located in the new campus of Hebei Normal University, was selected as the study object. Based on engineering practice, the axial compression of vertical p...
2020, 50(9): 122-127.
doi: 10.13204/j.gyjzGYJZ201908080006
Abstract:
In order to study the constant-amplitude fatigue performance of 8.8 grade high-strength bolts under axial tension-tension condition, 3 static tensile tests and 15 M24 bolts with 35K material were carried out. S-N curves were fitted and the fatigue fr...
In order to study the constant-amplitude fatigue performance of 8.8 grade high-strength bolts under axial tension-tension condition, 3 static tensile tests and 15 M24 bolts with 35K material were carried out. S-N curves were fitted and the fatigue fr...
2020, 50(9): 128-132.
doi: 10.13204/j.gyjzG20042007
Abstract:
The slag bin is an important storage device in the slag discharge system of thermal power plants. In order to study its fatigue properties, a slag bin in an actual project was taken as an example, and a large-scale finite element software was used to...
The slag bin is an important storage device in the slag discharge system of thermal power plants. In order to study its fatigue properties, a slag bin in an actual project was taken as an example, and a large-scale finite element software was used to...
2020, 50(9): 133-138,155.
doi: 10.13204/j.gyjzG19111107
Abstract:
The behavior of steel silo under seismic forces is different with regular structures. In this paper, through a shake table test of steel silo model, the sine wave, El Centro wave and Taft wave of different maximum accelerations were applied, and the ...
The behavior of steel silo under seismic forces is different with regular structures. In this paper, through a shake table test of steel silo model, the sine wave, El Centro wave and Taft wave of different maximum accelerations were applied, and the ...
2020, 50(9): 139-146.
doi: 10.13204/j.gyjz201904300010
Abstract:
Creep experiments of two groups of CFT eccentric compression members with eccentricity, concrete strength grade and loading age as parameters were carried out. Then 6 commonly used creep prediction models were compared and analyzed. The results from ...
Creep experiments of two groups of CFT eccentric compression members with eccentricity, concrete strength grade and loading age as parameters were carried out. Then 6 commonly used creep prediction models were compared and analyzed. The results from ...
2020, 50(9): 147-155.
doi: 10.13204/j.gyjz201904260011
Abstract:
Double-steel-plate concrete (DSPC) composite wall is increasingly used in high-rise residential buildings, but there is no corresponding fire protection standard. In the paper, autoclaved lightweight concrete plate (ALC plate) and non-expansive fire ...
Double-steel-plate concrete (DSPC) composite wall is increasingly used in high-rise residential buildings, but there is no corresponding fire protection standard. In the paper, autoclaved lightweight concrete plate (ALC plate) and non-expansive fire ...
2020, 50(9): 156-162.
doi: 10.13204/j.gyjzG19112401
Abstract:
In order to study the axial compression performance of prefabricated SRCT shear wall, 11 prefabricated SRCT shear walls and one reinforced concrete shear wall were tested under analysis of numerical simulation. The influences of distance-thickness ra...
In order to study the axial compression performance of prefabricated SRCT shear wall, 11 prefabricated SRCT shear walls and one reinforced concrete shear wall were tested under analysis of numerical simulation. The influences of distance-thickness ra...
2020, 50(9): 163-167.
doi: 10.13204/j.gyjzG19101105
Abstract:
Taking a new type of light-gauge steel keel fireproof floor slab as the research object, the experimental research on the mechanical properties of four full-scale light-gauge steel keel fireproof floor slab specimens under vertical load was carried o...
Taking a new type of light-gauge steel keel fireproof floor slab as the research object, the experimental research on the mechanical properties of four full-scale light-gauge steel keel fireproof floor slab specimens under vertical load was carried o...
2020, 50(9): 168-173.
doi: 10.13204/j.gyjz201908210007
Abstract:
To investigate the bending behavior of reinforced concrete beams reinforced with near-surface-mounted prestressed CFRP rods, a total 5 reinforced specimens and 1 unreinforced specimen were designed for bending test. Two parameters were considered in ...
To investigate the bending behavior of reinforced concrete beams reinforced with near-surface-mounted prestressed CFRP rods, a total 5 reinforced specimens and 1 unreinforced specimen were designed for bending test. Two parameters were considered in ...
2020, 50(9): 174-180.
doi: 10.13204/j.gyjzG20010406
Abstract:
Traditional reinforcement maintenance methods are difficult to obtain the full-life cycle monitoring status of the bridge during the reinforcement process as well as the reinforcement effect. Therefore, a method for coupling a CFRP board with a pre-c...
Traditional reinforcement maintenance methods are difficult to obtain the full-life cycle monitoring status of the bridge during the reinforcement process as well as the reinforcement effect. Therefore, a method for coupling a CFRP board with a pre-c...
2020, 50(9): 181-185.
doi: 10.13204/j.gyjzG19122008
Abstract:
The structure form of a project in shenzhen is "frame-support structure with suspension layer", which consists of core tube and six mega suspension frames arranged by asymmetric staggered layers. According to the installation sequence, the finite ele...
The structure form of a project in shenzhen is "frame-support structure with suspension layer", which consists of core tube and six mega suspension frames arranged by asymmetric staggered layers. According to the installation sequence, the finite ele...
