Investigation of a Detail for Connecting Precast Columns

Mar 03,  · Investigation of a Detail for Connecting Precast Columns to Precast Cap Beams Using Ultrahigh-Performance Concrete Corrosion Activity in Precast Concrete Elements and Cementitious Closure Pours. Journal of Bridge Engineering April .

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PDF Investigation of The

INVESTIGATION OF THE FEBRUARY 14, PARTIAL COLLAPSE OF A PARKING at approximately 11:40 a.m., a partially erected precast concrete frame suddenly collapsed, injuring two employees who were working on top of the elevated piers approximately 60' away. ERECTION OF PRECAST CONCRETE ELEMENTS, INCLUDING BRACING, LEVELING, WELDING, BOLTING

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The Forbidden Curves of Precast Concrete - Adapa

Mar 18,  · Concrete is an elemental construction element; and even as its materiality remains consistent over time, concrete holds the potential to become the future material for curved and geometric complex constructions. It just needs to be released from the 2D linear mould imprisonment, to reveal the forbidden curves of precast concrete.

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PDF Experimental investigation of the cyclic response of

Displacement incompatibility between structural elements and cladding panels caused the premature failure of their connections. Experimental investigation of the cyclic response of reinforced precast concrete framed structures Emanuele Brunesi, Roberto Nascimbene, Davide Bolognini, and Davide Bellotti

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Investigation results known of technical cause partial

These consist of precast concrete floor slabs and are equipped with weight-saving plastic bulbs. After installation on site, a concrete topping was applied. The investigations show that the shear strength of the interface between the precast concrete floor slabs was insufficient to convey the traction.

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Chromate and amine contact allergies in workers

Chromate and amine contact allergies in workers manufacturing precast concrete elements Mowitz, Martin LU; Zimerson, Erik LU; Dubnika Hauksson, Inese LU and Pontén, Ann LU () In Contact Dermatitis 75 (6). p.363-369. Mark; Abstract. Background: Five workers from a plant manufacturing concrete wall panels and beams were referred to our department because of suspected occupational dermatitis.

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Special Inspector | Construction, Concrete, Steel, Masonry

Reinforcing steel and concrete are bonded together by a mechanical connection.This provides the tensile properties which adds another element of strength to the concrete. Field Concrete Testing The testing of concrete at the construction site is to sample the freshly mixed concrete, check for slump, temperature and cast a set of cylinders for

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Robert B. Fleischman | Civil and Architectural Engineering

Establishment of performance-based seismic design factors for precast concrete floor diaphragms. EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 45(5), 675-698. Zhang, D., Fleischman, R. B., & Zhang, Z. ( ). Analytical Investigation of Seismic Behavior of Building Structures with an Inertial Force-Limiting Floor Anchorage System.

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PDF Alternative Materials and Configurations for Prestressed

Driven piles are divided into piles made of wood, steel, concrete, and various types of composite materials. These types of pile are reviewed briefly here, however, this study focuses on prestressed precast concrete piles to be discussed in more details. 3.1.1. Wooden Piles Wooden piles have a long-rooted history. There are some reasons for

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Seismic Behaviour Connections Precast Concrete Elements

incorporating precast concrete elements, and to obtain specific details on the arrangements used for connecting the precast elements together. It was found that for buildings between 9 and 21 storeys in height the general trend is to allocate the whole of the earthquake resistance to stiff perimeter frames.

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Dynamic decay of motion of rocking concrete members

the PREcast Seismic Structural Systems (PRESSS) Research Program (Priestley et al. 1999). A rocking precast concrete wall system was successfully tested as part of a 5-story precast concrete building to more than 100% of the Design Basis Earthquake (Zone 4). This outcome

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