Liability Insurance Coverages for Designers of Temporary Structures
A recent survey completed by the American Consulting Engineers Counsel (ACEC) indicates that in 1990 approximately 40 claims occurred per 100 firms. There also is an indication that claims...
Limit States Design of Wooden Formwork for Concrete Walls
Load and resistance factors are developed for ultimate limit states design of wooden formwork components for concrete walls when the lateral concrete pressures are computed using the ACI...
Development of Standards for Slipform & Jumpform Works
Review of past work indicates substantial effort has been made to publish construction standards and guidelines for slipforms but published material pertaining to jumpforms is scarce....
Specifying Trench Safety: the Texas Experience
The frequency of accidents during trenching operations has grown so dramatically that the issue has caught the attention of both industry 'insiders' and 'outsiders.'...
Temporary Structures for Protection and Access
Temporary Structures in Construction Projects (TSC) are utilized for three (3) purposes A. Support (of the structure being built or adjacent structures or utilities) B. Protection (of...
Fall Protection & Debris Containment During Construction
The purpose of this paper is to review the current practices in the United States for both fall protection and debris protection during high rise construction. A performance comparison...
Temporary Lateral Support System for Historic Building Facades in Boston
This paper describes a system of vertically cantilevered structural steel trusses, designed by the author, that provided temporary lateral support for a group of five and six story, 120...
Performance of a Prestressed Rigid Frame During Removal of Column 6W from I93 in Boston, Massachusetts
The first phase of the suppression of Boston's Central Artery included the Early Viaduct Construction in the Central Artery North Area. This project required that Column 6W...
Temporary Traffic Deck Over Braced Excavation
A case history is used to examine the planning, design, and installation of a temporary traffic deck over a 23-foot-deep braced excavation. The deck was installed in a three-phase sequence...
Permanent Structure as Part of the Underpinning System for Boston's Central Artery
The Central Artery, a major six lane structural steel viaduct, has been one of Boston's most significant roadways over the past three decades. Increasing congestion, accidents,...
Modular-Prestressed Shoring System for Demolition
Two case histories are used to present the development and performance of a modular prestressed vertical shoring system to control deflections of existing structures during the demolition...
Design and Planning of Structural Steel Roll-In
Innovative construction methods were required to erect structural steel inside a 170 foot long box truss over a railroad. The contractor engineered and executed a unique system to roll...
Composite Twin Tub Bridge Erection Intersection of Interstate I-84 and I-94 in Hartford, Connecticut
Curved bridge erection requires detailed preparation by the contractor, plus a sharing of responsibility and liability between the owner, designer of the new structure and the contractor....
Construction Accident Analysis: The Inductive Learning Approach
This paper presents the use of inductive learning in the analysis of construction accidents. It provides a brief description of ROUGH, an inductive system based on the theory of rough...
Computer Assisted Design and Construction
This paper presents a comprehensive package for conducting structural analysis, design, and project management on microcomputers. Several examples are presented to illustrate the usefulness...
The CRANIUM: A Case Study of Sensory Improvement for Construction Equipment Operators
Machines excel at physical processes such as generating large forces and performing repetitive motions, but humans are still better at information intensive processes such as planning,...
The Virtual Design Team: An Object-Oriented Model of Information Sharing in Project Design Teams
The Virtual Design Team (VDT) is an object-oriented, discrete event simulation of a multidisciplinary design team in action. The VDT models a design task as a network of design and design...
Construction Quality Management
The Resident Management System (RMS) is a microcomputer based quality management and contract administration system designed specifically for resident engineers, by the Los Angeles District,...
The Liability Crisis-Revisited
The 'liability crisis' of the 1980s which has affected engineers and other professionals in a significant way is considered. A number of theories or opinions...
Safety in the Construction Industry
Although the construction industry employs only 5% of the workforce, it comprises 20% of all accidents and 26% of all occupational related fatalities. The costs of acidents is 9 billion...
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