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Latest Products | Construction Equipment

Construction Equipment magazine is your resource for ideas & insights for construction equipment professionals and is the most authoritative national equipment publication in the industry. Read or watch the latest construction equipment field tests, buyers guide or view the Top 100 construction equipment products now.

Dynamic compaction is a technique used for in-situ ...

Dynamic Compaction (DC) or Heavy Tamping is mainly used for deep compaction and literally involves dropping a weight (or pounder) that is suspended from a crane onto the ground. The depth of treatment depends on the soil type, the weight of the pounder in tonnes and the drop height in metres.

Models for Mining Equipment Selection

construction equipment selection and shovel-truck equipment selection for surface mines. Although a variety of modelling methods have been applied, such as Queuing Theory, Bunching Theory, Linear Programming and Genetic Algorithms, the solutions obtained are consistently inadequate. In the mining industry current methods use

Dynamic Replacement | Swissboring

Dynamic Replacement technique can be implemented as a global treatment or localized under foundations only in order to increase the soil bearing capacity and reduce the total and differential post-construction settlements. This method combines the advantages from both Dynamic Compaction and Stone Columns technologies by creating large sized ...

EQUIPMENT DAILY CHECKLIST AND SAFETY INSPECTION FORM

EQUIPMENT DAILY CHECKLIST AND SAFETY INSPECTION FORM . FBP-OS-PRO-00025-F01, Rev. 3 Page 1 of 2 . NOTE: This form is not to be used for inspections of mobile/overhead cranes, powered industrial trucks, or aerial lifts.

GUIDELINES FOR EMBANKMENT CONSTRUCTION

reduced by limiting the size of the construction equipment being used until the embankment is high enough to distribute the load of heavier equipment. This pressure may also be reduced by the construction of a "working platform" as described in the Standard Specification §203-3.03A. Embankment Foundation.

MachineryTrader.com | New & Used Construction Equipment ...

Machinery Trader is the go-to source for new and used construction equipment since 1978. In the pages of Machinery Trader and on MachineryTrader.com, you'll find detailed, full-color listings featuring a vast inventory of used equipment listings from , , Genie, JLG, Case, , Bobcat, , JCB, Skyjack, Doosan, , New Holland Construction, and hundreds of other ...

Three Steps to a Machine Replacement Decision - Construction

First, each and every replacement decision gives an opportunity to change the size and configuration of the fleet. We work in a changing industry; use replacements as opportunities to make adjustments to the size and composition of your fleet. Second, equipment is used up in the production of completed construction.

Understanding Heat Exchangers - Types, Designs ...

A close-up view of a section of a water-to-air heat exchanger. Image Credit: Alaettin YILDIRIM/Shutterstock.com. Heat exchangers are devices designed to transfer heat between two or more fluids—i.e., liquids, vapors, or gases—of different temperatures. Depending on the type of heat exchanger employed, the heat transferring process can be gas-to-gas, liquid-to-gas, or liquid-to-liquid …

Building Construction Technology | Austin Community ...

Central Texas is growing fast, which means studying Building Construction Technology at Austin Community College is a smart choice. You'll work with the same equipment used at construction sites while learning about framing, roofing, interior/exterior finishing, plumbing systems, and more. Courses also cover management skills such as budgeting, staffing, and resource

Material Handling Equipment - NCSU

Equipment used to handle material at a single location (e.g., to feed and/or manipulate materials so that are in the correct position for subsequent handling, machining, transport, or storage). Unlike transport equipment, positioning equipment is usually used for handling at a single workplace. Material can also be positioned manually

DYNAMIC COMPACTION | GROUND IMPROVEMENT | ADVANTAGES ...

Dynamic compaction of Soil. Dynamic compaction is a ground improvement technique in which a drop weight is used to densify the soils and fill materials. The drop weight is typically made of steel and is lifted by a crane and repeatedly dropped onto the ground surface.

Centrifugal Compressor: Principle, Construction, Working ...

Centrifugal Compressor is a machine in which a particular gas or vapor is compressed by a radial acceleration by an impeller with the help of a surrounding case. It can then be arranged multistage for greater proportions of compression. The compression is largely influenced by …

Guide to Design Criteria for Bolted and Riveted Joints ...

Method to Determine the Slip Coefficient for Coatings used in Bolted Joints." This second, updated, edition has been prepared and approved by the Research Council. Formed in 1947 and formerly known as the Research Council on Riveted and Bolted Structural Connections, the Research Council on Structural Connections is a

Working with Laboratory Equipment - Prudent Practices in ...

Working safely with hazardous chemicals requires proper use of laboratory equipment. Maintenance and regular inspection of laboratory equipment are essential parts of this activity. Many of the accidents that occur in the laboratory can be attributed to improper use or maintenance of laboratory equipment. This chapter discusses prudent practices for handling equipment used frequently in ...

STRUCTURAL STEEL DESIGN AND CONSTRUCTION

equipment permanently attached to it. Decking – a structural element usually constructed from corrugated bent plate used to form an elevated slab. Design Forces – the loads that act on the structural system, e.g. dead load, live load, and environmental influences such as wind load, snow load, seismic load, and other dynamic loads.

OSHA Rule for Cranes and s Used in Construction

(9) Mechanic's truck with a hoisting device when used in . activities related to equipment maintenance and repair. (10) Machinery that hoists by using a come-a-long or . chainfall. (11) Dedicated drilling rigs. (12) Gin poles when used for the erection of communica-tion …

Soil Improvement Techniques - IJSER

used. It can be executed using many techniques including . removal and replacement, pre compression, vertical drains and soil reinforcement. 2.1. S. OIL REPLACEMENT . Soil replacement is one of the oldest and simplest methods which improve the bearing soil conditions. The foundation condition can be improved by replacing poor soil (eg.

Buy, Sell, Trade New and Used Metal Working Machinery ...

featured used machines 12" x 16" Used Doall Fully Automatic Horizontal Bandsaw "American Made" #A4564 $16,500.00 1/2" x 8' Used Lodge & Shipley Power Shear (HEAVY DUTY SHEAR) #A5092 $29,500.00

Types of Machine Learning | Different Methods and Kinds of ...

1. Supervised Machine Learning. Supervised learning algorithms are used when the output is classified or labeled. These algorithms learn from the past data that is inputted, called training data, runs its analysis and uses this analysis to predict future events of any new data within the known classifications.

Soil Density Testing: 3 Test Methods You Can Count On ...

Soil Density Testing: 3 Test Methods You Can Count On. Soil compaction is an operation common to most construction projects and increases the strength and stability of soils to support earthworks, structures, and pavements. Techniques to achieve maximum soil density are well known, and the outcomes can be tested and quantified using standard ...

Types of Machine Foundations and their Uses for Different ...

🕑 Reading time: 1 minuteMachine foundations are special types of foundations required for machines, machine tools and heavy equipments which have wide range of speeds, loads and operating conditions. These foundations are designed considering the shocks and vibrations (dynamic forces) resulting from operation of machines. Following are the types of machine foundations generally used: 1. […]

Dynamic compaction and replacement

dynamic compaction to provide allowable bearing pressures of up to 300kPa and settlements of 10-20mm for conventional structures. For soils not suitable for compaction, dynamic replacement can be used. Dynamic replacement is a variation of the technique whereby selected material is driven to partially or completely displace the in-situ material

Dynamic Compaction - an overview | ScienceDirect Topics

Dynamic compaction (DDC, heavy tamping, dynamic consolidation, etc.) is a cost-effective method of soil compaction whereby a heavy weight is repeatedly lifted and dropped from a height, impacting the ground surface with a readily calculated impact energy (Figures 6.12 and 6.13).Costs are reportedly about 2/3 that of stone columns, with up to 50% savings over other deep densification ...

The Basics of Field Welding Repair on Construction Equipment

The Basics of Field Welding Repair on Construction Equipment Print Article Share Learn about the essential steps to field repair: Cutting and removal, preparation of the new joint/part, and welding and cleanup. In the construction industry, nothing cripples a jobsite like a broken machine. When it comes to fixing broken steel in the field ...

Design and Construction of Auger Cast Piles

used in the mix. Concrete is cited as being less costly than grout, less prone to overrun volume, and is considered to be more stable in the hole when constructing piles through soft ground . Concrete slump for CFA construction is similar to that of wet-hole drilled shaft construction, with target slump values in the 8 in. ± 1 in. range. Grout

Mechanical Seals | EKK Technologies | EAGLE INDUSTRY CO.,LTD.

Mechanical seals are a type of packing installed on the power transmitting shaft of a rotating machine. They are used in various applications ranging from automobiles, ships, rockets and industrial plant equipment, to residential devices. Mechanical seals are intended to prevent the fluid (water or oil) used by a machine from leaking to the ...

Concrete Equipment Classifieds to Buy or Sell Used or New ...

ConcreteIron Inc. has experienced tremendous growth in recent years, but we realized we could be doing more for our clients and customers.We've provided our equipment brokerage service to over 8,000 clients Worldwide for over 16 years. In that time, we have listed thousands of machines, generating over $150 Million in global sales revenue.

Grainger Industrial Supply - MRO Products, Equipment and Tools

Grainger is your premier industrial supplies and equipment provider with over 1.6 million products to keep you up and running. Use Grainger.com for fast and easy ordering with next-day delivery available. Rely on our product experts for 24/7 support.

The Science of Soil Compaction | For Construction Pros

According to Construction Equipment, the LX03 is the first real-world example of a self-learning concept wheel loader, and the first LEGO Technic model to be brought to life.

TOOLS AND EQUIPMENT

Equipping the construction site with the correct tools and equipment plays an essential role in achieving timely and good quality results. For every construction activity there is an optimal combination of tools, equipment and labour. Depending on the nature and content of the works, the technical staff needs to know which tools to use and

Major Equipment Life-cycle Cost Analysis

Equipment life-cycle cost analysis (LCCA) is typically used as one component of the equipment fleet management process and allows the fleet manager to make equipment repair, replacement, and retention decisions on the basis of a given piece of equipment's economic life. The objective of this research is to develop a robust method that

FUNDAMENTALS OF FLUID MECHANICS Chapter 12 Pumps …

Positive Displacement Machines Force fluid into or out of a chamber by changing the volume of the chamber. The pressure developed and the work done are a result of essentially static forces rather than dynamic effects. Typical positive displacement pumps: (a) tire pump, (b) human heart, (c) gear pump.

Chapter 11 Dynamic Programming - Unicamp

mulation of "the" dynamic programming problem. Rather, dynamic programming is a gen-eral type of approach to problem solving, and the particular equations used must be de-veloped to fit each situation. Therefore, a certain degree of ingenuity and insight into the general structure of dynamic programming problems is required to recognize ...

Tamping machine - Wikipedia

A tamping machine or ballast tamper, informally simply a tamper, is a self-propelled, rail-mounted machine used to pack (or tamp) the track ballast under railway tracks to make the tracks and roadbed more durable and level. Prior to the introduction of mechanical tampers, this task was done by manual labour with the help of beaters. As well as being faster, more accurate, more efficient and ...

Alternative Concrete Demolition ... - Concrete Construction

In those cases, water would need to be trucked into the site—which is possible but will add cost. Handheld guns may use as little as 10 gallons per minute (gpm) while larger machines can use as much as 60 gpm. Concrete is removed with water only—no abrasives are added. Disposing of the water is also an important issue.