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  • Chinese Meteorite and TektiteAngelfire

     · This is the official record of the Nantan s fall in 1516. The Location covers the towns of Lihu and Yaozhai in Nandan County Guangxi China. at 25 degrees 6 N 107 degree 42 E. The Nantan meteorites were distributed over an area of 2728 -Km long and 8 -Km wide overlying Permian limestone and surface soils.

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  • Blasting Demolition Scientific

    Abstract It is a direction of blasting demolition for achieving the safe demolition of large-scale steel structures to use the technology of linear shaped charge cutter which has been applied practically abroad 1 while is still at a initial stage in China. In this paper the example of the blasting demolition of Shenyang Lvdao All-steel

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  •  ·  Scope of the LCA is defined by the life cycle stages included. Cradle to gate is the minimum required for compliance with green building

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  • Experimental Study and Mechanism Analysis of Concrete

     · The square steel tube component has a beautiful appearance simple joint connection and it is widely available. However the uneven distribution of effective constraints in the cross-section of a square steel tube hinders its application. A novel concrete-filled square steel tubular column was tested under axial compression. There were 11 specimens 10 concrete-filled square steel tube

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  • Study on Deformation Failure Mechanism and Control

     · In order to reveal the mechanism of surrounding rock deformation and instability of soft rock roadway in 12# working face of Puhe coal mine and synthetical analysis of the surrounding rock deformation and failure of the roadway shows that the original support scheme is difficult to maintain the stability of roadway. Thus the basic concept of roadway surrounding rock control Single anchor

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  • Research on Stability Analysis of the Hinge Joint Concrete

    The actual project—the Island Park in Shenyang an example of hinge joint concrete block revetment using the FLAC analysis software and the finite difference method percolation theory to calculate the 29 slope angle the role of a 45kg block under the action of the seepage stability of the slope. Variation in water head discussed in further detail and the role of the different blocks

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  • Calculation for tensile strength and fracture toughness of

     · Tensile strength and fracture toughness important parameters of the rock for engineering applications are difficult to measure. Thus this paper selected three kinds of granite samples (grain sizes = 1.01mm 2.12mm and 3mm) used the combined experiments of physical and numerical simulation (RFPA-DIP version) to conduct three-point-bending (3-p-b) tests with different notches and introduced

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  • Injured man aided Wuhan hospital s speedy finish

     · The first task for his team was to provide 3 000 cubic meters of mixed concrete. To do this they needed to transport about 2 000 metric tons of mud and sand to the construction site.

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  • Shotcrete machinery_Shotcrete concrete

     · Pingyang Construction Labor subcontracting Co. LTD Concrete wet spray trolley 1 set . Shenyang Road Bridge Engineering Co. LTD Concrete wet spray trolley 1 set . Sichuan Construction Engineering Co. LTD Robot Shotcrete Machine 1 set . Fujian Engineering Labor Service Co. LTD Concrete wet spray trolley 1 set

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  • Experimental and theoretical investigation on corrosion

     · 1. Introduction Reinforced concrete is one of the most widely used structures in the construction industry. However the phenomenon of concrete failure is increasing year by year. 1–5 Especially in a high salt environment the corrosion problem of the concrete structure is very severe accidents like collapse of bridges fracture of steel rebars and leakage of concrete components

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  • C391-E063 N 12 O.

     · Determination of Calcium Carbonate in Secondary Cement Products using the TOC-5000A Solid Sample TOC Analysis System Cement whose best known representative is concrete is a material essential for today s modern buildings with many kinds and types. It is anticipated that it will be further diversified in the future.

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  • ConcretePhotocatalyst Coatings

    Using concrete with Photocatalyst Coatings means having a building that s durable self-cleaning and actually helps to reduce the amount of air pollution. When used on or in a concrete structure photocatalysts technology actually protects the surface from fouling materials. Dirt dust road grime oil and air-borne pollutants are actually

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  • Field performance of concrete pipes during jacking in

     · This paper presents the field performance of concrete pipes during the jacking carried out under the Guan River in Jiangsu China. Rebar stresses at two wings (the left and right side) the top crest and the base in the longitudinal and circumferential directions for four different pipes were monitored. The maximum rebar stresses during the

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  • Static behavior of axially compressed square concrete

     · Concrete Filled Steel Tube (CFST) is classified as a kind of steel-concrete composite structure. The experimental test is carried out in the Structural Laboratory of Shenyang Jianzhu University PR China. With the increase of the deflection at the mid-height the stress increases continuously till the CFRP is broken (point 3). This

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  •  · The soil is cut under the action of the torque and axial force of the drill bit and it is destroyed and broken up under the action of the squeezing and centrifugal force of the working blade and the soil flow is pressed against the pit wall and it is lifted along the page

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  • Dynamic crack models on problem of bridging fiber pull

    An elastic analysis of an internal central crack with bridging fibers parallel to the free surface in an infinite orthotropic anisotropic elastic plane was performed. A dynamic model of bridging fiber pull-out of composite materials was presented. Resultingly the fiber failure is governed by maximum tensile stress the fiber breaks and hence the crack extension should occur in self-similar

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  • Influence of steel–concrete interface defects owing to the

     · This paper deals with the influence of the steel–concrete interface condition on the reinforcement corrosion in a chloride environment. Two large-sized concrete members were cast including horizontal reinforcements at different levels in order to create voids under the upper horizontal bars caused by the well-known top-bar effect .

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  • glue_glue__

     · 1.I glued the broken pieces together. 2.He glued the model boat together with plastic cement. 3.The pages have got glued together—the book is ruined —— glue

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  • Dynamic Crack Propagation Problems of Fibre-Reinforced

    Applying the built dynamic crack model of fibre concrete bridging fiber segment is substituted by loads. When a crack propagates its fiber continues to break. By the approaches of the theory of complex functions the problems dealt with can be translated into Riemann-Hilbert problems. Analytical solutions of the displacements stresses and dynamic stress intensity factors under the action of

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  • China Lignosulfonate Be Deflocculant Calcium

    Product categories of Lignosulfonate we are specialized manufacturers from China Lignosulfonate Be Deflocculant Calcium Lignosulfonate Additives suppliers/factory wholesale high-quality products of Calcium Lignosulfonate Powder R D and manufacturing we have the perfect after-sales service and technical support. Look forward to your cooperation

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  • A Modified Damage-Plasticity Coupled Area-Weighted

     · A nonlocal damage-plasticity coupled area-weighted model was proposed to investigate the fracture process of the ductile fracture materials with softening behavior such as asphalt concrete materials. The model can overcome the mesh sensitivity problem in the analysis. A subroutine of ABAQUS software was developed to apply this nonlocal damage-plasticity coupled area-weighted

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  • Tong Feng Zhao s research works Shenyang University

    Tong Feng Zhao s 6 research works with 4 citations and 57 reads including Experimental Study on the Stress-Temperature Curve of the Super High Early Strength Grouting Material at Elevated

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  • GroupExcavators Cranes Concrete Machinery

     ·  Group is a leading enterprise of high-end equipment manufacturing industry with over 20 R D centers and manufacturing bases all over the world ranking among the top 3 global construction machinery manufacturers.

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  • Cicada by Marco Casagrande « Landscape Architecture

     · Marco Casagrande Cicada is an organic void in the mechanical texture of modern Taipei a cocoon for post-industrial metamorphosis for industrial insects. The architecture is based on the Local Knowledge of human scale flexible bamboo structures containing a high level of improvisation and insect mindOpen Form.

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  • Tong Feng Zhao s research works Shenyang University

    Tong Feng Zhao s 6 research works with 4 citations and 57 reads including Experimental Study on the Stress-Temperature Curve of the Super High Early Strength Grouting Material at Elevated

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  • Pipe Jacking in Sandy Soil Under a River in Shenyang

     · An Electric Power Tunnel was constructed in Shenyang China. This project started in July 2012 including the construction of a 1200 m long tunnel using Shallow Tunneling Method and installation of 1000 m long reinforced concrete pipes (internal diameter of 3.5 m)

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  • Junxiang LIU Professor (Assistant) PhD Northeastern

    Blast furnace slag obtained from water quenching is generally used for cement production. However harmful waste such as SO2 H2S and heavy metals is discharged into the surrounding environment

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  • RESEARCH ON NON-DESTRUCTIVE TESTING

     · Shenyang Imperial Palace (Mukden Palace Figure.1) located in the old city center of the Ming and Qing dynasties shenhe district in Shenyang was the palace of the Qing imperial family before the Manchu conquest of China and the temporary palace after. It

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  • Urban Transport Photo Library

     · Shenyang Shenzhen bollards as seats bollards with chains broken bollards concrete or stone bollards curved or square bollards decorative / wooden bollards retractable bollards steel bollards synthetic asphalt pavement cobblestones concrete pavement dirt / unpaved other pavement types pavement colour pavement damage pervious paving

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  • Pipe Jacking in Sandy Soil Under a River in Shenyang

     · An Electric Power Tunnel was constructed in Shenyang China. This project started in July 2012 including the construction of a 1200 m long tunnel using Shallow Tunneling Method and installation of 1000 m long reinforced concrete

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  • Experimental Study of Reinforcing Broken Gangues by

     · Studies on jet grouting materials mainly focus on the aggregates in cement or the environment where they are maintained and rarely deal with the cohesiveness reinforcement load-bearing characteristics and surface spalling. In this study cement slurries with different contents were prepared to explore the characteristics and reinforcement effect of broken gangues.

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  • CEMENT S ROLE IN A CARBON-NEUTRAL FUTURE

     · The cement manufacturing process can be broken down into 10 steps from Shenyang China. Figure from Xi et al. (supplement tab "SI data 15") 5 six months of service (Figure 4). 18 Concrete in China is generally of poorer quality than concrete made in Western countries contributing to the short lifetimes of concrete buildings in China

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  • Study on Deformation Failure Mechanism and Control

     · In order to reveal the mechanism of surrounding rock deformation and instability of soft rock roadway in 12# working face of Puhe coal mine and synthetical analysis of the surrounding rock deformation and failure of the roadway shows that the original support scheme is difficult to maintain the stability of roadway. Thus the basic concept of roadway surrounding rock control Single anchor

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  • NHI Shenyang Heavy Machinery Co. Ltd. UANI

     · Shenyang Heavy Machinery Co. Ltd. is a joint venture of Shenyang Heavy Machinery Group Co. Ltd. China Huarong Asset Management Corporation Xinda Asset Management Corporation and China Great Wall Asset Management Corporation. It is a legal entity which has autonomy in management and assumes sole responsibility for its profits or losses.

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  • Multifunctional antiferromagnetic materials with giant

     · Quantum degrees of freedom such as spin or valleys lie at the basis of many intriguing phenomena. In this theory work the authors present a new type of spin-valley locking enabled by a

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