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Articles by keywords concrete pump

Home / Articles by keywords concrete pump

Concrete Pumps | What is a concrete pump?

A concrete pump is a tool for conveying liquid concrete. Over a period of more than half a century, concrete pumps have slowly taken over from other methods of transferring liquid concrete. A number of different designs of concrete pump were developed in the first half of the 20th century but it was Friedrich Wilhelm Schwing's company Schwing

Top PDF concrete pump - 123dok

Pentingnya peranan concrete pump dalam proyek konstruksi beton bertulang untuk bangunan tinggi membuat penggunaan concrete pump lebih sering dipergunakan. Hal yang harus diperhatikan adalah produktivitasnya agar menjadi efektif. Hasil penelitian dianalisis dengan uji regresi diperoleh nilai Y = - 0,0073 X + 0.4142. Kata kunci: proyek konstruksi

Concrete Pumping - How to Pump Cement - Concrete Network

Concrete being pumped through a line experiences friction with the internal wall of the pipeline. The longer the line, the more friction encountered. For longer pumping distances, the use of smooth-walled steel pipe can lower the resistance. The length of hose used at the end of the pipeline adds to the overall line length as well.

Using Concrete Pump Trucks To Pour Foundations - Home

Sep 25, 2008 · Using concrete pump trucks to pour foundations is becoming quite popular. Pump trucks provide several major benefits which most concrete sub-contractors are taking advantage of on a regular basis. The concrete pump truck pictured on this site has a reach of 100 feet horizontal. Traditionally concrete trucks would pull up to the forms and dump…

Advantages of Concrete Pumping on a Construction Project

2 days ago · Concrete pump supplies are an essential part of owning a concrete pumping truck.Where do you find concrete pump parts and concrete pump accessories, like concrete pump straight pipe, when you need to fix your pump truck. Having a good relationship with someone who sells concrete pumping equipment or does concrete pump service will be vital to keeping your concrete pumping company …

Concrete Pump - ENR

Feb 01, 2017 · Engineering News-Record Content on 'Concrete Pump' This website requires certain cookies to work and uses other cookies to help you have the best experience.

asphalt mix plant ljb1500c algeria - Futuremachinez

Asphalt Batch Mix Plant - Asphalt mix plant. Asphalt Batch Mix Plant Asphalt is the material used mainly in the construction of roads highways etc. It is the mixture of various contents that are uniformly mixed to form a homogenous mixture. The asphalt batch mix plant we offer provides a great benefit in making is mixing process simple easy and

Advances in Mechanical Engineering Research on rigid

Sep 28, 2014 · Concrete pump truck has the advantages of flexibility, high efficiency, and good pouring quality, so it plays an important role in infrastructure construction and national economic development. Boom system is the key part of concrete pump truck, and its work is to transport concrete to the pouring position. In recent years, boom system becomes

Modelling, simulation and identification of a mobile

Due to the light-weight construction of modern large-scale manipulators used, e.g., in mobile concrete pumps, the elasticity of the construction elements plays a significant role in the dynamic behaviour of the system. Therefore, current research is concerned with control strategies for active damping of elastic vibrations and trajectory planning.

Constant-flow pump for fresh concrete | SpringerLink

Jun 08, 2018 · Depending on the different designs of mobile concrete pumps, delivery heights of up to 606 m [], delivery pressures of 220 bar [], and output flow rates of 200 m 3 /h [] can be achieved.These pumps, which have been established on the market for decades, all work based on similar principles and have characteristic advantages and disadvantages.

Concrete Pumping| Concrete Construction Magazine

Pumping booms have vertical reaches of 60 feet and up and line diameters of 3, 4 or 5 inches. The reach of boom pumps can be further extended by attaching the boom to a pipeline system set up at the jobsite. PUMP OUTPUT. For any concrete pump, the maximum attainable output in cubic yards per hour will decrease as line resistance increases.

Concrete Pump - ENR

Feb 01, 2017 · Engineering News-Record Content on 'Concrete Pump' This website requires certain cookies to work and uses other cookies to help you have the best experience.

Burj Khalifa – a new high for high-performance concrete

May 02, 2010 · Concrete pumping trials were conducted before the Burj Khalifa tower construction using a Putzmeister BSA 14000 HP-D stationary pump with a maximum hydraulic pressure of 310 bar. A length of 600 m of high-pressure ZX 125 delivery pipe was laid out horizontally with transducers to measure concrete pressure after pumping through distances of 250

Concrete for Pumping| Concrete Construction Magazine

Concrete for Pumping. Experience has shown that gradation of both fine and coarse aggregate is often the most important factor in determining the pumpability of a concrete mixture, although other mix design characteristics also contribute. If gradation is poor, the excess of some aggregate sizes or efficiency of others will produce voids in the

US3227785A - Method of casting concrete - Google Patents

Prior art keywords cement mortar stone mold gravel level Prior art date Kefid (FIG. 1), a mold 4 which, at its lower part, is provided with a connection duct 5, communicating with a concrete pump of any suitable and known construction (not shown), is first entirely filled with pieces of stone 6 in a dry state. Subsequently, cement

Estimating Ready Mixed Concrete On-site Dispatch Time - PM

The study revealed that concrete slump and volume have small impact on the dispatch time using concrete pump (R = 0.366; R 2 = 0.134; F-model = 1.676 [with p > 0.05]). It was thus concluded that concrete slump and volume have small effect on the dispatch time on ready mixed concrete.

Finite Element Analysis and Optimization of the Boom of

Abstract： Concrete pump truck is an important engineering construction machinery,whose main function is to transport concrete material to the casting position and for casting.With the rapid development of our country's infrastructure and the rise in the cost of labor resources,the application of the concrete pump truck is more and more extensive.As the main working parts of concrete pump

400 t h hot batching asphalt mixing plant asphalt plant

New generation of 400 t h asphalt batching mix plant. new generation asphalt batch plant in france. unsatisfied with being just a market and testing ground of new reactor future power plants in building of a third generation nuclear power thailand 3 side type 80 t/h batch mix asphalt plant inside new style a 60 ton per hourbitumen hot new

Modelling, simulation and identification of a mobile

Due to the light-weight construction of modern large-scale manipulators used, e.g., in mobile concrete pumps, the elasticity of the construction elements plays a significant role in the dynamic behaviour of the system. Therefore, current research is concerned with control strategies for active damping of elastic vibrations and trajectory planning.

Optimization of fresh concrete pumping pressure loss with

The concrete pumping process is simulated by a CFD-DEM model. • The relationship between structural parameters and pressure loss is investigated. • Single-objective optimization was used for the investigation of pressure loss. • The pressure loss of the optimized model is reduced by 5.45%.