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An Investigation Of Seismic Response Of Connections In Precast Concrete Double Tees
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Book Synopsis An Investigation of Seismic Response of Connections in Precast Concrete Double-tees by : Hashem Shariatmadar
Download or read book An Investigation of Seismic Response of Connections in Precast Concrete Double-tees written by Hashem Shariatmadar and published by . This book was released on 1992 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The experimental results were compared with the predictions made using theoretical calculations, the CPCI design method and non-linear finite element analysis." --
Book Synopsis Seismic Response of Connections in Precast Concrete Double-tees by :
Download or read book Seismic Response of Connections in Precast Concrete Double-tees written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Abstracts International by :
Download or read book Masters Abstracts International written by and published by . This book was released on 1994 with total page 1192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Seismic Performance and Risk Estimation of Precast Concrete Buildings by : Andrea Belleri
Download or read book Advances in Seismic Performance and Risk Estimation of Precast Concrete Buildings written by Andrea Belleri and published by Frontiers Media SA. This book was released on 2022-02-09 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Composite Special Moment Frames by : Zhichao Lai
Download or read book Composite Special Moment Frames written by Zhichao Lai and published by . This book was released on 2020 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: This state-of-the-art report provides structural engineers an overview of designing connections for composite special moment frames.
Download or read book PCI Journal written by and published by . This book was released on 2009 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Repair and Testing of Out-of-Plane Seismic Response of Pocket Connection by :
Download or read book Repair and Testing of Out-of-Plane Seismic Response of Pocket Connection written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accelerated bridge construction (ABC) has been utilized in precast bridge structures because of its advantage to expedite onsite construction. In ABC, one of the main concerns is the joint connection as it needs to be well designed to maintain structural integrity. Several studies were able to demonstrate the effectiveness of ABC pocket connections for partial and fully precast columns. The pocket connections are designed to have the cap beam longitudinal reinforcements bundled outside the joint allowing the placement of the column uninhibited. On the contrary, this has been an issue for cast-in-place (CIP) construction where congestion of the reinforcements in the joint regions is typical. A recent study at the University of Nevada, Reno (UNR) was conducted by utilizing ABC pocket connection in CIP bridges. The specimen was tested at UNR Earthquake Engineering Laboratory on a shake table in an upside-down configuration using an increasing scaled ground motion. The specimen performed well under out-of-plane ground motion excitations and the ductility of the column was confirmed through typical plastic hinge behavior. In this study, the main objective is to further use the specimen from the recent UNR test to repair the damaged column and to test the repaired specimen using the same loading protocol as the original model. The objective was achieved by developing a repair method using flush cutting and coring of the damaged column. A new column was constructed using the exact reinforcements as the original model. However, the column was cast monolithically in the pocket joint as opposed to the original model where the column reinforcement sat in two different concrete casts with a cold joint at the column-cap beam interface. The repaired column was subjected to the same loading protocol as the original model using the scaled 1994 Northridge earthquake ground motion recorded at the Sylmar Converter Station. The repaired specimen performed well as the plastic hinge zone developed in the column outside the joint, close to the interface of the cap beam, as desired and required by design. The results were compared to the original specimen and the maximum drift ratio for 20% through 450% of the earthquake motion was relatively equal. However, for 550% and 650% of the earthquake motions, the drift ratio in the repaired specimen was significantly larger compared to the original specimen. The high drift ratios were attributed to the slippage of the column in the joint and were validated by an increase in the ratios between the rotations of the original and repaired column recorded at the base. The cap beam remained essentially elastic, i.e. capacity-protected as required, throughout the test which is similar to the performance of the original model. Lastly, recommendations for the repair of CIP cap beam-column emulating ABC pocket connection are provided with special attention to roughen the pocket joint connection to develop a sufficient bond between the two members.
Author :FIB – International Federation for Structural Concrete Publisher :FIB - Féd. Int. du Béton ISBN 13 : Total Pages :544 pages Book Rating :4./5 ( download)
Book Synopsis Proceedings fib Symposium in Athens Greece by : FIB – International Federation for Structural Concrete
Download or read book Proceedings fib Symposium in Athens Greece written by FIB – International Federation for Structural Concrete and published by FIB - Féd. Int. du Béton. This book was released on 2003-05-01 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Performance of 1/3-scale Model Precast Concrete Beam-column Connections Subjected to Cyclic Inelastic Loads by : Geraldine S. Cheok
Download or read book Performance of 1/3-scale Model Precast Concrete Beam-column Connections Subjected to Cyclic Inelastic Loads written by Geraldine S. Cheok and published by . This book was released on 1994 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NEHRP Recommended Provisions (National Earthquake Hazards Reduction Program) for Seismic Regulations for New Buildings and Other Structures by : United States. Federal Emergency Management Agency
Download or read book NEHRP Recommended Provisions (National Earthquake Hazards Reduction Program) for Seismic Regulations for New Buildings and Other Structures written by United States. Federal Emergency Management Agency and published by . This book was released on 2001 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NEHRP Recommended Provisions for Seismic Regulations for New Buildings and Other Structures, Part 2 - Commentary, 2000 Edition, March 2001 by :
Download or read book NEHRP Recommended Provisions for Seismic Regulations for New Buildings and Other Structures, Part 2 - Commentary, 2000 Edition, March 2001 written by and published by . This book was released on 2001 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NEHRP Recommended Provisions (National Earthquake Hazards Reduction Program) for Seismic Regulations for New Buildings and Other Structures by :
Download or read book NEHRP Recommended Provisions (National Earthquake Hazards Reduction Program) for Seismic Regulations for New Buildings and Other Structures written by and published by . This book was released on 2001 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Expansion Joints in Buildings by : National Research Council
Download or read book Expansion Joints in Buildings written by National Research Council and published by National Academies Press. This book was released on 1974-02-01 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many factors affect the amount of temperature-induced movement that occurs in a building and the extent to which this movement can occur before serious damage develops or extensive maintenance is required. In some cases joints are being omitted where they are needed, creating a risk of structural failures or causing unnecessary operations and maintenance costs. In other cases, expansion joints are being used where they are not required, increasing the initial cost of construction and creating space utilization problems. As of 1974, there were no nationally acceptable procedures for precise determination of the size and the location of expansion joints in buildings. Most designers and federal construction agencies individually adopted and developed guidelines based on experience and rough calculations leading to significant differences in the various guidelines used for locating and sizing expansion joints. In response to this complex problem, Expansion Joints in Buildings: Technical Report No. 65 provides federal agencies with practical procedures for evaluating the need for through-building expansion joints in structural framing systems. The report offers guidelines and criteria to standardize the practice of expansion joints in buildings and decrease problems associated with the misuse of expansions joints. Expansions Joints in Buildings: Technical Report No. 65 also makes notable recommendations concerning expansion, isolation, joints, and the manner in which they permit separate segments of the structural frame to expand and to contract in response to temperature fluctuations without adversely affecting the buildings structural integrity or serviceability.
Book Synopsis Seismic Performance of Prestressed Pile-to-bent Cap Connections by : Mark Eli Cukrov
Download or read book Seismic Performance of Prestressed Pile-to-bent Cap Connections written by Mark Eli Cukrov and published by . This book was released on 2012 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt: A portion of the bridge structures in South Carolina use a pile-to-bent cap connection detail in their bridge bents which relies completely on mechanical bond to develop a load path from the superstructure of the bridge to the foundation. Typical construction practices involve driving precast prestressed concrete piles to a specified depth and leaving a portion of the pile above ground to be used for an intermediate superstructure support. The portions of the piles above ground are leveled within tolerance, and a bent cap cage is constructed around them with a specified pile embedment depth into the bent cap. Once this is completed, the bent cap is cast-in-place. No dowel bars or brooming of prestressing strands are used in the pile-to-bent cap connection. As part of a SCDOT sponsored research project to study the seismic performance of precast prestressed concrete piles plainly embedded into cast-in-place bent caps, a full scale 3-pile bridge bent was constructed based on typical SCDOT designs and subjected to earthquake loading at the Large Scale Structures Laboratory at the University of Nevada, Reno (UNR). The objective of the simulation was to study the seismic behavior of the pile-to-bent cap connection within an axial load range of 100 kips of compression to 50 kips of tension. This axial load range was specified by the SCDOT as previous tests investigating the pile-to-bent cap connections were performed at unrealistically high compressive axial loads. Additionally, the seismic performances of two conventional bent cap reinforcing details were investigated. One bent cap design was based on typical details used by the SCDOT, and the other was a heavier reinforcing detail proposed by UNR. Several analytical models were created in SAP200012 in an attempt to accurately capture the response of the 3-pile bent observed during the experiment. Three main inelastic model types were explored: the fiber hinge, the coupled P-M hinge, and the multi-linear plastic link element. Of these three types, the nonlinear plastic link element produced the closest correlation between observed and calculated results. Based on observations made during the 3-pile bent experiment, it was determined that bridge bent designs using prestressed concrete piles plainly embedded into cast-in-place bent caps can be used in seismic areas. Reasonable axial tension forces do not adversely affect the performance of the connections. Both of the bent cap reinforcing details were shown to be conservative, and the choice between either detail should be left to the bridge designer.
Book Synopsis NEHRP Recommended Provisions (National Earthquake Hazards Reduction Program) for Seismic Regulations for New Buildings and Other Structures: Commentary by : United States. Federal Emergency Management Agency
Download or read book NEHRP Recommended Provisions (National Earthquake Hazards Reduction Program) for Seismic Regulations for New Buildings and Other Structures: Commentary written by United States. Federal Emergency Management Agency and published by . This book was released on 2001 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :fib Fédération internationale du béton Publisher :fib Fédération internationale du béton ISBN 13 :2883940835 Total Pages :369 pages Book Rating :4.8/5 (839 download)
Book Synopsis Structural Connections for Precast Concrete Buildings by : fib Fédération internationale du béton
Download or read book Structural Connections for Precast Concrete Buildings written by fib Fédération internationale du béton and published by fib Fédération internationale du béton. This book was released on 2008-01-01 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: Connections are among the most essential parts in precast structures. Their performance relates to the structural limit states, as well as to manufacture of the precast elements and erection and maintenance of the structure itself. Proper design of connections is one major key to a successful prefabrication. The principal aim of fib Bulletin 43 is to encourage good practice in the design of structural connections in precast concrete structures. This is achieved through a good understanding of structural connections as parts of the overall structural system and of basic force transferring mechanisms. The bulletin consists of two parts; the first part concerns general considerations and philosophy in the design of structural connections, and the second part deals with basic force transferring mechanisms within structural connections. The main focus is on the design of structural connections with regard to their structural function in ordinary design situations in the serviceability and ultimate limit states, and in accidental/abnormal design situations, like fire, lack of fit and impact/accidental loads. Other aspects considered include production, handling and site erection of elements, building physics, durability and maintenance. Bulletin 43 applies to structural connections for precast concrete buildings, although the information on basic force transfer mechanisms can also be applicable to other types of prefabricated structures.
Book Synopsis Proceedings of the 26th Australasian Conference on the Mechanics of Structures and Materials by : Nawawi Chouw
Download or read book Proceedings of the 26th Australasian Conference on the Mechanics of Structures and Materials written by Nawawi Chouw and published by Springer Nature. This book was released on with total page 941 pages. Available in PDF, EPUB and Kindle. Book excerpt:
