Review of Existing Precast Concrete Gravity Load Floor

Leave Comment

Review of Existing Precast Concrete Gravity Load Floor ...

Review of Existing Precast Concrete Gravity Load Floor Framing Systems 52 Stephen Pessiki, Ph.D. Assistant Professor Department of Civil and Environmental Engineering Lehigh University Bethlehem, Pennsylvania Richard Prior Design Engineer Frederic R. Harris, Inc. Philadelphia, Pennsylvania Richard Sause Ph.D., P.E. Assistant Professor

Get price

Review of Existing Precast Concrete Gravity Load Floor ...

This review includes a discussion of the impact of the structural system on the nonstructural systems. This review was conducted as part of a research project directed towards the development of new precast concrete floor systems for gravity loads for application in occupied office buildings having a regular spacing of columns.

Get price

REVIEW OF EXISTING PRECAST CONCRETE GRAVITY LOAD FLOOR ...

The review was conducted as part of a research project directed towards the development of new precast concrete floor systems for gravity loads for application in occupied office buildings having a regular spacing of columns. A companion paper presents the assessment of these floor systems. The research addresses the need for innovation in the ...

Get price

Assessment of Existing Precast Concrete Gravity Load Floor ...

paper provide a review and assessment of existing precast concrete gravity load floor framing systems suitable for office build­ ings. The companion paper reviews 19 precast structural systems. The assessment presented in this paper treats interactions between

Get price

REVIEW OF EXISTING PRECAST CONCRETE GRAVITY LOAD FLOOR ...

This paper reviews 19 precast structural floor systems from North America and overseas that are suitable for office building construction. This review includes a discussion of the impact of the structural systems. The review was conducted as part of a research project directed towards the development of new precast concrete floor systems for gravity loads for application in occupied office ...

Get price

Assessment of Existing Precast Concrete Gravity Load Floor ...

This paper and a companion paper provide a review and assessment of existing precast concrete gravity load floor framing systems suitable for office buildings. The companion paper reviews 19 precast structural systems. The assessment presented in this paper treats interactions between the structural, service, and architectural systems that ...

Get price

ASSESSMENT OF EXISTING PRECAST CONCRETE GRAVITY LOAD

This paper and a companion paper provide a review and assessment of existing precast concrete gravity load floor framing systems suitable for office buildings. The companion paper reviews 19 precast structural systems. The assessment presented in this paper treats interactions between the structural, service, and architectural systems that ...

Get price

(PDF) Shallow Flat Soffit Precast Concrete Floor System ...

“Review of existing precast concrete gravity load floor framing systems.” PCI J., The writers wish to acknowledge EnCon, Denver, CO and Concrete 40(2), 70–83.

Get price

(PDF) Shallow Flat Soffit Precast Concrete Floor System

May 01, 2013  This paper and a companion paper provide a review and assessment of existing precast concrete gravity load floor framing systems suitable for office buildings. The companion paper reviews

Get price

(PDF) Shallow Flat Soffit Precast Concrete Floor System

May 01, 2013  This paper and a companion paper provide a review and assessment of existing precast concrete gravity load floor framing systems suitable for office buildings. The companion paper reviews 19 ...

Get price

REVIEW OF TESTING PROTOCOLS FOR PRECAST CONCRETE ...

Experimental and Numerical Research in Precast Concrete: 1. Bending Testing Protocol of Precast Beams (Ref: Precast) Objective: To determine the design load and the beam’s performance in handling beyond the typical design load, as well as offering advantages over other systems - advantages like lighter weight and insulation.

Get price

A new shallow precast/prestressed concrete floor system ...

Feb 01, 2014  Precast concrete floor systems could gain significant advantages over cast-in-place floor systems, if they could be designed as continuous floor systems that minimize the need for shear walls limiting their construction to around stair wells and elevator shafts. ... For gravity load analysis, the beams are designed according to ACI318-11 in ...

Get price

Research and development in precast concrete framed structures

This paper and a companion paper provide a review and assessment of existing precast concrete gravity load floor framing systems suitable for office buildings. The companion paper reviews 19 ...

Get price

ARCHITECTURAL PRECAST CONCRETE WALL PANELS

Architectural precast concrete has been used since the early 20th century, coming into wide use in the 1960s. The versatility of precast concrete makes it ideal for architectural applications. The exterior surface of a precast concrete piece can vary from a form face finish similar to cast-in-place to an exposed aggregate

Get price

Structural behaviour of ferrocement–brick composite floor ...

Nov 01, 2010  To develop a new floor slab system to overcome the shortcoming in the in situ concrete floor slab and existing precast floor systems is a challenging task for many researchers. As a summary, the main shortcomings in the existing systems could be one or more of the followings: • Long construction time. • Heavy weight. •

Get price

Load Testing of Concrete Structures - Civil Engineering ...

Mar 25, 2018  Part 2: Test Protocols and Case Studies. As discussed in Load Testing of Concrete Structures – Part 1 (STRUCTURE ® magazine, April 2014), load testing can be used to determine the ability of a structure to carry additional loads, to establish the safety of structures, to validate strengthening, to gain knowledge on the behavior of a structure, and to supplement, validate or refine ...

Get price

NOTES FOR DESIGNERS AND USERS OF PRESTRESSED

floor has the load capacity given in published load span tables. Each floor is specifically designed for only the moment and shear capacities required for the design loads specified and shown on the layout drawings. To check the ability of an existing floor to support a different load, designers should check the design load originally specified ...

Get price

FLOOR DIAPHRAGM STRENGTHENING OF CONCRETE

resisting system, gravity-load resisting precast concrete columns and a hollowcore floor system connected to perimeter bond beams. The hollowcore floor system consisted of a 200 mm thick precast unit with a 50 mm concrete topping with a 665 cold drawn mesh (5.3 mm wire diameter in a square mesh 150 mm by 150 mm). The hollowcore floor system of this

Get price

Load-Deflection Analysis of Pretensioned Inverted T-Beam ...

A precast, prestressed concrete girder with circular web openings allows building service systems (mechanical, electrical, communications, and plumbing) to cross the girder line within the member’s depth, reducing a building’s floor-to-floor height and the overall height of the structure. These height reductions have the potential to improve the competitiveness of total precast concrete ...

Get price

A review on progressive collapse of a reinforced concrete ...

Walls, floors and stairways are all precast. All units, installed one-story high, are load bearing. This building technique encompassed the patterns for the panels and joints, the method of panel assembly, and the methods of production of the panels.Ronan Point was the second of nine identical high-rise precast concrete flat plate structures ...

Get price

US8671634B2 - Shallow flat soffit precast concrete floor ...

A precast concrete floor system that eliminates the need for column corbels and beam ledges while being very shallow. The main advantages of the present system include a span-to-depth ratio of 30, a flat soffit, economy, consistency with prevailing erection techniques, and fire and corrosion protection. The present system consists of continuous precast columns, prestressed rectangular beams ...

Get price

Common Deficiencies And Upgrade Methods - Resisting System

Apr 27, 2021  6.5.1.5. Precast Concrete Diaphragms. Common deficiencies of precast concrete diaphragms include inadequate shear capacity, inadequate chord capacity, and excessive shear stresses at diaphragm openings or plan irregularities. Existing precast concrete slabs constructed using precast tees or cored planks commonly have inadequate shear capacity.

Get price

US20130074430A1 - Shallow Flat Soffit Precast Concrete ...

A precast concrete floor system that eliminates the need for column corbels and beam ledges while being very shallow. The main advantages of the present system include a span-to-depth ratio of 30, a flat soffit, economy, consistency with prevailing erection techniques, and fire and corrosion protection. The present system consists of continuous precast columns, prestressed rectangular beams ...

Get price

Research and development in precast concrete framed structures

This paper and a companion paper provide a review and assessment of existing precast concrete gravity load floor framing systems suitable for office buildings. The companion paper reviews 19 ...

Get price

DAMAGE TO BUILDINGS WITH PRECAST CONCRETE

possible risk of local collapse under gravity loading (i.e. without aftershock). CDS B identified damage posing risk of collapse, but only in the case of future aftershocks. CDS B included both local collapse of precast floor units (CDS B1 and B2) and global collapse risk due to support for, or damage to, concrete columns (CDS B3 and B4).

Get price

Proposed concepts for floor framing systems for precast ...

This paper summarizes progress on research at the Center for Advanced Technology for Large Structural Systems (ATLSS) on gravity load floor systems for precast/prestressed concrete buildings. The main objective of the research is to develop precast/prestressed concrete floor systems for gravity loads for application in occupied office buildings with a regular spacing of columns.

Get price

Shallow Flat Soffit Precast Concrete Floor System

Shallow Flat Soffit Precast Concrete Floor System Eliya Henin, Ph.D., ... (including 488 kg/m2 live load) in a 9.14- 3 9.14-m bay size. Also, ... first, a review of the existing precast concrete ...

Get price

Retrofit of Existing Reinforced Concrete Structures using ...

reinforced concrete construction, with a gravity system comprising of two-way insitu reinforced concrete floor slabs, supported off concrete columns with capitals. Figure 1 shows a photograph of the building. Figure 1 – Building at 333 South Beaudry Ave, Los Angeles A carbon FRP option was chosen as the strengthening solution for the slabs.

Get price

Failure Mode and Ultimate Bearing Capacity of Precast ...

Nov 07, 2016  “Review of existing precast concrete gravity load floor framing systems”, PCI Journal, Vol. 40, No. 2, pp. 52 – 68. Google Scholar Crossref Research Group on Integrated Structure of Cast-in-situ and Precast Beams and Slabs ( 1982 ).

Get price

(PDF) Seismic performance and design of precast concrete ...

Another A few common types of pre-cast concrete floors used possibility to support the floor unit in such event can be in New Zealand are discussed: (i) flat slab floor (ii) to design the floor as a T-beam by providing an additional hollow-core concrete slab floor and (iii) double-tee tie at the middle to transfer floor load by providing floor.

Get price

Common Deficiencies And Upgrade Methods - Resisting System

Apr 27, 2021  6.5.1.5. Precast Concrete Diaphragms. Common deficiencies of precast concrete diaphragms include inadequate shear capacity, inadequate chord capacity, and excessive shear stresses at diaphragm openings or plan irregularities. Existing precast concrete slabs constructed using precast tees or cored planks commonly have inadequate shear capacity.

Get price

Panel connection details in existing New Zealand precast ...

Most existing precast concrete panels have a thickness of less. than 200 mm, and it was found that 77% of preca st panel s. have a thickness of between 150

Get price

Progressive collapse capacity of a gravity-load designed ...

Mar 01, 2021  The maximum load multiplier of design gravity loads, herein denoted by αmax and used as a measure of structural robustness to local damage, was found to be 2.57 and 2.78 for the intact structure (i.e. before retrofitting), being the lower and upper estimates related to the presence and absence of the loads due to the infill walls, respectively.

Get price

US8671634B2 - Shallow flat soffit precast concrete floor ...

A precast concrete floor system that eliminates the need for column corbels and beam ledges while being very shallow. The main advantages of the present system include a span-to-depth ratio of 30, a flat soffit, economy, consistency with prevailing erection techniques, and fire and corrosion protection. The present system consists of continuous precast columns, prestressed rectangular beams ...

Get price

PRECAST CONCRETE CONSTRUCTION - World Housing

Precast reinforced concrete frame with cruciform and linear beam elements (Seria 106) is an example of a frame system with precast beam-column subassemblages (Kyrgyzstan, WHE Report 33). The system was developed in Kyrgyzstan in 1975. The load-bearing structure consists of a precast reinforced concrete space frame and precast floor slabs.

Get price

US20130074430A1 - Shallow Flat Soffit Precast Concrete ...

A precast concrete floor system that eliminates the need for column corbels and beam ledges while being very shallow. The main advantages of the present system include a span-to-depth ratio of 30, a flat soffit, economy, consistency with prevailing erection techniques, and fire and corrosion protection. The present system consists of continuous precast columns, prestressed rectangular beams ...

Get price

Structural Technical Report 2 Pro-Con Structural Study of ...

similar to those used by design engineer, gravity loads were determined in accordance with the Eurocodes 1991-1. Post tensioned concrete follows design methods presented in ACI 318 – 05 and IBC 2003. Load and Resistance Factor Design according to the thirtheenth edition of the AISC Manual of Steel Construction was used for steel design checks.

Get price
Contact us

Submit online

Please leave a message below and we will contact you as soon as possible.