scholarly journals Estimation of Yield Load for Unit CLT Connection with Bolt and Steel Plate based on European Yield Theory

2019 ◽  
Vol 19 (5) ◽  
pp. 5_311-5_323
Author(s):  
Shoichi NAKASHIMA ◽  
Yasuhiro ARAKI ◽  
Akihisa KITAMORI ◽  
Takafumi NAKAGAWA ◽  
Hiroshi ISODA ◽  
...  
Keyword(s):  
Steel Plate ◽  
Yield Load ◽  
Yield Theory

scholarly journals Experimental research on shear performance of single bolt joints of bamboo curtain plywood

2021 ◽  
Vol 2045 (1) ◽  
pp. 012015
Author(s):  
G Tang ◽  
X N Wu ◽  
P Sun ◽  
C T Yang
Keyword(s):  
Ultimate Load ◽  
Steel Plate ◽  
Initial Stiffness ◽  
Bolted Connection ◽  
Yield Load ◽  
Future Design ◽  
Performance Grade ◽  
End Distance ◽  
Shear Performance ◽  
Bolt Diameter

Abstract This paper focuses on the shear resistance of the bolted connection between steel plate and bamboo curtain plywood. From the fifteen groups of specimens, the performance grade, bolt diameter and end distance of bolts have an influence on the ultimate bearing capacity of joints and the yield load of joints and the yield load is 65%∼75% of the ultimate load. The initial stiffness of the node increases with the bolt diameter increasing. Provide certain materials and theoretical references for bamboo in the future design and research.

scholarly journals Experimental Investigation on the Load-Carrying Capacity of Steel-to-Laminated Bamboo Dowel Connection I: Single Fastener with Slotted-In Steel Plate under Tension

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Zhaoyan Cui ◽  
Liuhui Tu ◽  
Ming Xu ◽  
Zhongfan Chen ◽  
Qingfeng Xu
Keyword(s):  
Carrying Capacity ◽  
Steel Plate ◽  
Mechanical Performance ◽  
Load Carrying Capacity ◽  
Initial Stiffness ◽  
Yield Load ◽  
Laminated Bamboo ◽  
Load Carrying ◽  
End Distance ◽  
Dowel Connections

The dowel-type connection is widely applied in timber and bamboo structures. It is ambiguous regarding the calculation method of engineered bamboo connections completely referred to the timber design codes. The steel-to-laminated bamboo dowel connections with slotted-in steel plate tests were conducted to investigate the mechanical performance under tension based on the ASTM-D5652-15. The effects of the thickness, dowel diameter, and end distance on the yield load, ultimate load, initial stiffness, and ductility of the connections were studied. The difference in the yield load for different end distance is negligible. With the same thickness of the connections, the lower the thickness to dowel diameter, the larger the load-carrying capacity. The three typical yield modes and corresponding load-displacement curves of the connections are observed. By considering the rigid-plastic model, the theoretical equation for the connections is proposed and proven to fit well with the experimental results. It presents a better prediction for the load-carrying capacity of steel-to-laminated bamboo dowel connections with slotted-in steel plate.

scholarly journals Study the Response of Bubbled Wide Reinforced Concrete Beams with Different Shear Steel Plate Spacing

2018 ◽  
Vol 11 (2) ◽  
pp. 1-13
Author(s):  
Ahmed A. Mansor ◽  
Amer M. Ibrahim ◽  
Mohammed J. Hamood
Keyword(s):  
Experimental Investigation ◽  
Reinforced Concrete ◽  
Steel Plate ◽  
Concrete Beams ◽  
Good Alternative ◽  
Reinforced Concrete Beams ◽  
Steel Plates ◽  
Longitudinal Reinforcement ◽  
Yield Load ◽  
Plate Spacing

This paper presents an experimental investigation on the behavior of bubbled wide reinforced concrete beams with different shear steel plate spacing. Four specimens with the dimensions of 215x560x1800mm are investigated. The variables studied in this work is using the 10mm stirrups with 125mm spacing and 3mm thickness steel plate with spacing 125, 166 and 250mm instead of reinforcing stirrups. Shear steel plates is good alternative for replacing the stirrups and gives increasing in yield and ultimate loads with 17% and 18% respectively and decreasing the deflection by 8% at yield and 12% at ultimate. Moreover decrease the strain in longitudinal reinforcement by 8% at yield and 24% at ultimate, and reduced the total weight by 2.7%. By increasing the spacing of shear steel plate by 33% and 100%, the results showed that the yield load reduced to 3% and 4% respectively, but the deflection was increased with 37% and 20% (at yield). The strain in interior legs is more than the strain in exterior legs by 189%, 142% and 52% at yield for spacing 125, 166 and 250mm respectively. ACI 318-14 [1] and EC 2 [2] codes give a predicted deflection more than the experimental deflection by 26% and 30% on average respectively

scholarly journals Effect of Replacing the Main Reinforcement by Sheet Steel Plate in Reinforced Concrete Beams

2021 ◽  
Vol 14 (3) ◽  
pp. 141-151
Author(s):  
Khalid Ibrahim ◽  
Ahmed A. Mansor ◽  
Bilal J. Noman ◽  
Wisam D. Salman ◽  
Ahlam S. Mohammed
Keyword(s):  
Reinforced Concrete ◽  
Ultimate Load ◽  
Steel Plate ◽  
Concrete Beams ◽  
Cross Sectional Area ◽  
Reinforced Concrete Beams ◽  
Sectional Area ◽  
Cross Sectional ◽  
Yield Load ◽  
Steel Bar

In recent years, new methods have developed utilizing steel plates instead of deformed steel bar reinforcement in the concrete beams. This paper presents the utilization of a new proposed approach for replacing the main flexural reinforcement concrete beams by steel checker plates of (6mm) thickness. Four reinforced concrete beams were cast and tested under two-point load. All beams had the same cross-sectional area of reinforcement and the dimensions of 210 cm in length, 35 cm in height and 25cm in width. The result show there was a reduction in crack load, yield load, and ultimate load of steel plate as compared to steel bar, Whereas increased with increasing cross-sectional area of the steel. Once, the increment in crack load and yield load of steel plate were 25.5% and 16,67% more than steel bar whereas the same increment was found in ultimate load for both steel bar and steel plate. The measured crack load and ductility for steel plate was 16.7% more than steel bar when increasing cross-sectional area of steel. The deflection past of failure for steel plate has a considerable deflection before failure than steel bar. Finally, the observations show cracks have been much wider and less in range for all steel plate samples in comparison with the steel bar.

Novel Electro Polymerization Method to Synthesized Anti-corrosion Coated Layer on Stainless Steel Surface from (N-Benzothiazolyl Maleamic Acid) and Study its Biological Activity

2018 ◽  
Vol 9 (3) ◽  
Author(s):  
Muna I Khalaf ◽  
Khulood A Saleh ◽  
Khalil S Khalil
Keyword(s):  
Stainless Steel ◽  
Chemical Structure ◽  
Inhibition Efficiency ◽  
Steel Plate ◽  
Polymeric Coating ◽  
Stainless Steel Surface ◽  
Plate Electrode ◽  
Before And After ◽  
Maleamic Acid ◽  
Polymerization Method

Electro polymerization of N-benzothiazolyl maleamic acid (NBM) was carried out on stainless steel plate electrode in a protic medium of monomer aqueous solution using electrochemical oxidation procedure in electrochemical cell.Spectroscopic characterization techniques were investigated to obtain information about the chemical structure of polymer. The anti-corrosion action of polymer was investigated on stainless steel by electrochemical polarization method. In addition, the effect of adding nanomaterial (TiO2, ZnO (bulk-nano)) to monomer solution on the corrosion behavior of stainless steel was investigated. The results obtained showed that the corrosion rate of S-steel increased with temperature increase from 293K to 323K and the values of inhibition efficiency by coating polymer increase with nanomaterial addition. Apparent energies of activation have been calculated for the corrosion process of S-steel in acidic medium before and after polymeric coating. Furthermore were studied the effect of the preparing polymer on some strain of bacteria.

ABREX 450LT

Alloy Digest ◽  
2016 ◽  
Vol 65 (10) ◽  
Keyword(s):  
Fracture Toughness ◽  
Physical Properties ◽  
Tensile Properties ◽  
Steel Plate ◽  
Resistant Steel ◽  
Bend Strength

Abstract ABREX 450LT (hardness target of 450 HBW) is one of the Abrex series of abrasion resistant steel plate alloys. All of the products are maintained at very low impurity levels, making them well suited to welding and forming. The LT designation indicates an extra tough grade. This datasheet provides information on composition, physical properties, hardness, tensile properties, and bend strength as well as fracture toughness. It also includes information on surface qualities as well as forming, machining, and joining. Filing Code: SA-769. Producer or source: Nippon Steel and Sumitomo Metal Corporation.

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