Rehabilitation and Retrofitting of Structures Notes (RRS)
... Before laying up foundation,the type of foundation to be used should be decided based on the safe bearing capacity of soil. Providing R.C deep beam or an involved T -beam with adequate reinforcements to withstand the ...
... Before laying up foundation,the type of foundation to be used should be decided based on the safe bearing capacity of soil. Providing R.C deep beam or an involved T -beam with adequate reinforcements to withstand the ...
Construction of a test embankment using a sand–tire shred mixture
... are on average floating in a sand matrix. This explains why, on a plot of emin,mix vs. sand content, there is a minimum at a certain value of sand content. Ahmed (1993) performed laboratory tests to determine the maximum dry unit weight of mixtures prepared with various tire shred–sand mixing ratios. ...
... are on average floating in a sand matrix. This explains why, on a plot of emin,mix vs. sand content, there is a minimum at a certain value of sand content. Ahmed (1993) performed laboratory tests to determine the maximum dry unit weight of mixtures prepared with various tire shred–sand mixing ratios. ...
A new ductile moment-resisting connection for precast concrete
... showed that precast connections can sustain large inelastic deformations under cyclic loads, if they are designed properly. Stone et al. [11] developed a new hybrid moment-resisting beamcolumn connection for precast frames in regions with high seismicity. Their proposed system utilised mild steel b ...
... showed that precast connections can sustain large inelastic deformations under cyclic loads, if they are designed properly. Stone et al. [11] developed a new hybrid moment-resisting beamcolumn connection for precast frames in regions with high seismicity. Their proposed system utilised mild steel b ...
SECTION 203 ROADWAY AND DRAINAGE EXCAVATION
... and cross section shown on the plans and shall be compacted in accordance with Sec 203.5. The construction of shoulders shall start when sufficient surfacing has been completed and the surfacing has attained satisfactory strength to permit continuous shouldering operations. Equipment that will damag ...
... and cross section shown on the plans and shall be compacted in accordance with Sec 203.5. The construction of shoulders shall start when sufficient surfacing has been completed and the surfacing has attained satisfactory strength to permit continuous shouldering operations. Equipment that will damag ...
Effects of curing pressure on Mode II fracture toughness of uni
... As seen in Fig. 11(a), the Young’s modulus of the two laminates is the same so the difference in stiffness among the laminates is due to geometric stiffness. The shear strength and bending strength at the time of delamination of the laminate varies with stiffness but fracture toughness remains unaff ...
... As seen in Fig. 11(a), the Young’s modulus of the two laminates is the same so the difference in stiffness among the laminates is due to geometric stiffness. The shear strength and bending strength at the time of delamination of the laminate varies with stiffness but fracture toughness remains unaff ...
English - SciELO Colombia
... in areas having loose, saturated, sandy soils following strong earthquakes or vibrations. Liquefaction is manifested as a drastic loss of shear strength and stiffness of the affected soil, resulting from a sharp increase in internal pore water pressure which builds up during load cycles imparted by ...
... in areas having loose, saturated, sandy soils following strong earthquakes or vibrations. Liquefaction is manifested as a drastic loss of shear strength and stiffness of the affected soil, resulting from a sharp increase in internal pore water pressure which builds up during load cycles imparted by ...
Sin título de diapositiva - Universidad de Cantabria
... Need to understand concepts and theory - Know what problems can be solved. - Know what problems cannot be solved, or when problems will be troublesome. Need to understand methods and techniques - Know why methods work, or judge when they are working. - Be able to create or modify tools (software ...
... Need to understand concepts and theory - Know what problems can be solved. - Know what problems cannot be solved, or when problems will be troublesome. Need to understand methods and techniques - Know why methods work, or judge when they are working. - Be able to create or modify tools (software ...
Comparison of Structural Design Actions Part 4: Earthquake Actions
... principles of seismic design and the advances in the field that lead to development of the new AS1170.4:2007 code [7] have been presented. A detailed comparison of the differences between the Layout, Notation, Factors and Calculation of the Design Base shear has been examined. The magnitude of the d ...
... principles of seismic design and the advances in the field that lead to development of the new AS1170.4:2007 code [7] have been presented. A detailed comparison of the differences between the Layout, Notation, Factors and Calculation of the Design Base shear has been examined. The magnitude of the d ...
small-diameter cfrp strands for shear strengthening of steel bridge
... analytical studies undertaken to examine the use of small-diameter Carbon Fiber Reinforced Polymer (CFRP) strands for shear strengthening of steel structures and bridges. Most of the current research findings on the use of CFRP laminate revealed failure due to de-bonding. The experimental program ex ...
... analytical studies undertaken to examine the use of small-diameter Carbon Fiber Reinforced Polymer (CFRP) strands for shear strengthening of steel structures and bridges. Most of the current research findings on the use of CFRP laminate revealed failure due to de-bonding. The experimental program ex ...
Seismic Strengthening of Harborview Medical Center
... FRP appeared to be a very attractive method of reinforcing the concrete panels above and below the windows of the North Wing because it could be applied to the exterior of the building with minimal disruption to occupants. In addition, the FRP would provide reinforcing to existing elements without c ...
... FRP appeared to be a very attractive method of reinforcing the concrete panels above and below the windows of the North Wing because it could be applied to the exterior of the building with minimal disruption to occupants. In addition, the FRP would provide reinforcing to existing elements without c ...
Root Tensile Strength Variations In Inter and Intra Species in
... differences were found in root tensile strength at 25 cm and 1 meter distance of the tree stem in the same species and that was significantly higher at 25 cm of the tree stem. It means that roots near the stem had more mechanical resistance in tension rather than roots far from the stem. Root tensil ...
... differences were found in root tensile strength at 25 cm and 1 meter distance of the tree stem in the same species and that was significantly higher at 25 cm of the tree stem. It means that roots near the stem had more mechanical resistance in tension rather than roots far from the stem. Root tensil ...
Protection of Harbour Area Treatment Scheme Stage I Sewage
... or excavation for basements, shafts, tunnels and the like) other than ground investigation works are proposed within the area as described in Paragraph 6 of this ETWB TCW, the effects of such works shall be within the following limits : (a) ...
... or excavation for basements, shafts, tunnels and the like) other than ground investigation works are proposed within the area as described in Paragraph 6 of this ETWB TCW, the effects of such works shall be within the following limits : (a) ...
application of polymer composites for stabilization of degraded rock
... Epoxy resins are two-component organic resins. By mixing component A (epoxy resin) with component B (containing catalyst) a reaction occurs, which ends with hardening. The ratio between components varies at different manufacturers and resin types from 2 : 1 to 5 : 1. The catalyst component may conta ...
... Epoxy resins are two-component organic resins. By mixing component A (epoxy resin) with component B (containing catalyst) a reaction occurs, which ends with hardening. The ratio between components varies at different manufacturers and resin types from 2 : 1 to 5 : 1. The catalyst component may conta ...
ST7204-Earthquake Analysis and Design of Structures
... Total weight of beams in a storey : 130 kN Total weight of slab in a storey : 250 kN Total weight of columns in a storey : 50 kN Total weight of walls in a storey : 530 kN Live load : 130 kN Weight of terrace floor : 655 kN The structure is resting on hand rock. Determine the total base shear and la ...
... Total weight of beams in a storey : 130 kN Total weight of slab in a storey : 250 kN Total weight of columns in a storey : 50 kN Total weight of walls in a storey : 530 kN Live load : 130 kN Weight of terrace floor : 655 kN The structure is resting on hand rock. Determine the total base shear and la ...
Landslides in weathered granitic rocks in Japan and Malaysia
... the above studies on the weathering profiles of granite did not find distinct micro-sheeting, the landslides occurring in Hiroshima Prefecture in June 1999 were closely related to micro-sheeting. Micro-sheeting generally dips 10 to 30 degrees downslope to form an overdip cataclinal slope, as describ ...
... the above studies on the weathering profiles of granite did not find distinct micro-sheeting, the landslides occurring in Hiroshima Prefecture in June 1999 were closely related to micro-sheeting. Micro-sheeting generally dips 10 to 30 degrees downslope to form an overdip cataclinal slope, as describ ...
Effect of Elevated Temperature on Mechanical Properties and
... aggregates and cement paste [21, 22]. On the other hand, quality control of concrete, by means of non-destructive methods, in structures subjected to fire or not so high temperature exposure conditions, is not particularly easy to be carried out. The correlation usually refers to the hydration age o ...
... aggregates and cement paste [21, 22]. On the other hand, quality control of concrete, by means of non-destructive methods, in structures subjected to fire or not so high temperature exposure conditions, is not particularly easy to be carried out. The correlation usually refers to the hydration age o ...
Document
... sited to a large extent on reclaimed land. Owning to the dramatic increase in population and rapid development of Hong Kong over the past few decades, many low-rise buildings in this region have been demolished and replaced by high-rise buildings with deep foundations and related infrastructure. To ...
... sited to a large extent on reclaimed land. Owning to the dramatic increase in population and rapid development of Hong Kong over the past few decades, many low-rise buildings in this region have been demolished and replaced by high-rise buildings with deep foundations and related infrastructure. To ...
Earthquake Analysis of Tall Building with Tuned Mass Damper.
... Abstract: A Tuned mass damper (TMD) is a device consisting of a mass, and spring that is attached to a structure in order to reduce the dynamic response of the structure. The frequency of the damper is tuned to a particular structural frequency so that when that frequency is excited, the damper will ...
... Abstract: A Tuned mass damper (TMD) is a device consisting of a mass, and spring that is attached to a structure in order to reduce the dynamic response of the structure. The frequency of the damper is tuned to a particular structural frequency so that when that frequency is excited, the damper will ...
International Journal of Computer Science and Intelligent
... Fro m above analysis, it is observed that in G+5 and G+8 bu ildings, Specially shaped columns in R.C. structure give min imu m displacement and minimu m drift than Rectangular colu mns in R.C. structure. As per analysis, it is concluded that displacement at every story in Special shaped column struc ...
... Fro m above analysis, it is observed that in G+5 and G+8 bu ildings, Specially shaped columns in R.C. structure give min imu m displacement and minimu m drift than Rectangular colu mns in R.C. structure. As per analysis, it is concluded that displacement at every story in Special shaped column struc ...
exam guide
... 33. According to model codes, connections of masonry web shear walls to masonry flange walls must be accomplished using which of the following details? Check the three ...
... 33. According to model codes, connections of masonry web shear walls to masonry flange walls must be accomplished using which of the following details? Check the three ...
Detailed Seismic Assessment Report
... 16.95m. In the longitudinal direction, reinforced concrete walls with significant structural openings provide stability whilst in the transverse direction this is catered for by reinforced concrete cantilever columns. The roof is supported by pinned base steel portal frames which sit atop the concre ...
... 16.95m. In the longitudinal direction, reinforced concrete walls with significant structural openings provide stability whilst in the transverse direction this is catered for by reinforced concrete cantilever columns. The roof is supported by pinned base steel portal frames which sit atop the concre ...
Nano-polymer modified bitumen, Nano Silica Particles, Physical
... Researchers and engineers have tried to utilize different types of modifiers to amend and better how bitumen materials perform, together with styrene butadiene styrene (SBS) [2]. Many researchers have revealed how polymer-modified bitumens better the possible deficiencies with the asphalt mixture pa ...
... Researchers and engineers have tried to utilize different types of modifiers to amend and better how bitumen materials perform, together with styrene butadiene styrene (SBS) [2]. Many researchers have revealed how polymer-modified bitumens better the possible deficiencies with the asphalt mixture pa ...
Micro-sheeting of granite and its relationship with landsliding
... generation of landslides to these structural and hydrological features. Chigira and Ito (1999) studied reweathering of weathered granite on arti®cial cut slopes and found that, after arti®cial cutting, some ...
... generation of landslides to these structural and hydrological features. Chigira and Ito (1999) studied reweathering of weathered granite on arti®cial cut slopes and found that, after arti®cial cutting, some ...
Assessment of Overstrength and Ductility of a Four
... braced bays. Beams are thus designed as beam-columns, with the design moment resulting from tributary gravity loads and the axial compression coming from unequal capacity of braces in tension and compression, considering a horizontal equilibrium of brace induced forces at each beam end. The configur ...
... braced bays. Beams are thus designed as beam-columns, with the design moment resulting from tributary gravity loads and the axial compression coming from unequal capacity of braces in tension and compression, considering a horizontal equilibrium of brace induced forces at each beam end. The configur ...
Malaysian Journal of Civil Engineering 28(1):108
... structural deformity in the building. Different parameters regarding this deformity like frequency of vibration, time period and amplitude are of significant importance and defines the overall response of the structure. This overall response also depends on the distribution of seismic forces within ...
... structural deformity in the building. Different parameters regarding this deformity like frequency of vibration, time period and amplitude are of significant importance and defines the overall response of the structure. This overall response also depends on the distribution of seismic forces within ...
Geotechnical engineering
Geotechnical engineering is the branch of civil engineering concerned with the engineering behavior of earth materials. Geotechnical engineering is important in civil engineering, but also has applications in military, mining, petroleum and other engineering disciplines that are concerned with construction occurring on the surface or within the ground. Geotechnical engineering uses principles of soil mechanics and rock mechanics to investigate subsurface conditions and materials; determine the relevant physical/mechanical and chemical properties of these materials; evaluate stability of natural slopes and man-made soil deposits; assess risks posed by site conditions; design earthworks and structure foundations; and monitor site conditions, earthwork and foundation construction.A typical geotechnical engineering project begins with a review of project needs to define the required material properties. Then follows a site investigation of soil, rock, fault distribution and bedrock properties on and below an area of interest to determine their engineering properties including how they will interact with, on or in a proposed construction. Site investigations are needed to gain an understanding of the area in or on which the engineering will take place. Investigations can include the assessment of the risk to humans, property and the environment from natural hazards such as earthquakes, landslides, sinkholes, soil liquefaction, debris flows and rockfalls.A geotechnical engineer then determines and designs the type of foundations, earthworks, and/or pavement subgrades required for the intended man-made structures to be built. Foundations are designed and constructed for structures of various sizes such as high-rise buildings, bridges, medium to large commercial buildings, and smaller structures where the soil conditions do not allow code-based design.Foundations built for above-ground structures include shallow and deep foundations. Retaining structures include earth-filled dams and retaining walls. Earthworks include embankments, tunnels, dikes and levees, channels, reservoirs, deposition of hazardous waste and sanitary landfills.Geotechnical engineering is also related to coastal and ocean engineering. Coastal engineering can involve the design and construction of wharves, marinas, and jetties. Ocean engineering can involve foundation and anchor systems for offshore structures such as oil platforms.The fields of geotechnical engineering and engineering geology are closely related, and have large areas of overlap. However, the field of geotechnical engineering is a specialty of engineering, where the field of engineering geology is a specialty of geology.