Monday, 19 June 2017

Few Basics You Need To Know About Shoring And Ways To Shore Your Construction Safely

Shoring is a term that refers to the practice of bracing the structure with the help of temporary and strong structures to prevent collapse of the materials. While many people may get confused between the terms shoring and shielding, they are totally different. Shoring is the process of popping up structure to prevent collapse of earth while shielding is use of safety methods to protect the workers in case of a collapse.  

Different techniques used in Trench shoring
  • Soil Nailing
In this technique, the soil nailing contractor uses reinforcing, strong and elongated bars to insert them into the pre-drilled holes. After that, they are sealed with binding material to hold the walls, excavations, and soil slopes.



They are generally planted in semi-downward incline without creating any tension. The soil nailing contractor normally uses the lone soil nail heads or sprayed concrete.

  • Beam and plate
In this technique, beams are planted firmly on ground and they are reinforced with the steel plates in between. The soldier boarding that uses wood planks also use similar mechanism. This kind of shoring is normally used for excavation that may span longer duration of time.

  • Hydraulic shoring
In this method, hydraulic pistons are popped up until they push against trench walls. Plywood or steel plates are used with pistons. This kind of shoring is one of the easiest methods amongst others.

By following the safety rules every time, shoring can be used effectively without any accidents or risks. Moreover, with the right equipment and supplies, it can be done without any hassles. 

Tuesday, 9 May 2017

Soil Stabilisation - Learn About Various Methods of Soil Stabilisation

The stabilisation of soil is basically an improvement program through which characteristics of a soil type present on a construction site is altered and engineered in a way to accomplish the construction project successfully. It is equally important for both commercial and domestic projects.
To stabilise soil is necessary because of various reasons, some of which include resistance from the damage caused by water or adverse environmental conditions, for improving tolerance for bearing heavy weights, etc. There are various ground stabilisation contractors, which provide expert services in the stabilisation of soil and modification of the soil type.


Experienced contractors

A good contractor evaluates and accesses the area of construction properly to find out the areas of improvement and modification, which is needed for the safe ongoing of the project. Experienced engineers and workers imply the use of advanced tools and effective technologies to overcome any observed shortcomings.

Ground stabilisation contractors adopt three major categories of stabilisation method, which includes mechanical methods, chemical methods and use of polymers, to modify the soil or to alter it positively.

Soil stabilisation through mechanical methods

There is various equipment used by contractors to mix and stabilise soil in order to modify it. For slope and soil stabilisation various equipment like crane box drilling, portable rigs, Skid Mountain drills, etc. are used.

Mechanical methods like Shotcrete and excavation may take more time than other methods because they need manpower and force application by them on the soil present on-site.

Chemical methods

Chemical methods may cost you more, but they are adopted for a better permeability of the soil as well as to increase the density of the soil in a controlled manner. Some of the most famous chemical soil stabilisation method includes Lime soil stabilisation, use of sodium silicate and use of sodium chloride.

These methods can be applied on the construction areas where a heavy amount of plastics and other harmful chemicals have been found in the clayey soil and are deteriorating the quality and performance of the soil.

Use of grouting

The grouting technique can be of various types including clay grouting, Bituminous grouting, Chemical grouting, etc. In grouting, Stabilisers are injected into the soil to alter its chemical and physical properties. It is an expensive method and hence one should rely on experts for the proper implication of this method at the site to achieve stabilisation.

Use of polymers or fabrics

Use of polymers or fabrics in soil stabilisation is comparatively a new method. Use of geotextiles in ground stabilisation is an effective method to achieve soil stabilisation in a safer way than chemical methods.

They are also cheaper than various soil stabilisation methods. Uses of metallic strips, synthetics such as PVC, polyesters, etc. are some of the effective ways to obtain soil stabilisation successfully.


All of the soil stabilization techniques are mostly employed in construction projects throughout the world. Out of all, polymer based solutions are rapidly gaining popularity, as they are cost saving, offers environmental benefits, easy to use, and many other significant perks. 

Monday, 3 April 2017

A Basic Guide To Usage And Installation Of Rock Anchors You Need To Know About

Basically, rock anchors are commonly used to resist foundation movement. Most of the rock anchors have pre-drilled hole filled with the grout material.

Rock anchors come in a variety of sizes as well as weight capacities that depend on their usages. However, their installation and use are generally the same.


Simple Steps to install rock anchors
  • Drill the hole 
You will need to consider the material that you are drilling into as well as the size of the rock anchors that you will use. You may even need drilling through unstable, loose, and old materials to install the anchor firmly.

  • Inject the grout
Before injecting the grout, you will need to clear out maximum debris from drilled hole. You can even fill the drilled hole with the grout from bottom up through top. It will also help you in clearing the holes from debris.

  • Insert threaded sheathed anchors and install bearing plate
The sheath will keep threaded anchor away from bonding with grout material since it dries. It will therefore make it almost impossible to tension or turn. Once grout properly sets up, you can then remove sheath.

Now it is time to attach steep bearing place to outside surface of anchored material. Together with bearing plate, this won’t allow any kind of tension to rock anchor once it is installed.
While following the above steps, you can easily install rock anchors. Going for professional services will help you to get the tasks done more efficiently.


Monday, 27 February 2017

Design and Benefits of the Soil Nail Wall Construction to avoid Future Problems

Soil nail wall is a construction method, which stabilizes the slope and gives support to it. It provides steel bars to oppose the force opposite to slope breakdown. Some of the suitable conditions to perform soil nailing methods are sandy, silty and hard clay.

The nails are inserted from the top into the surface, so, they are called as soil nails. This avoids the mud slide trouble and requires less time to finish the work.


Construction

 The Soil nails are the bars made up of steel. These will be inserted in the holes and grouted with the materials like shot-crete. The step-by-step process for the construction of the wall is as follows:
·         Examine the area to know whether it is suitable for the construction.

·         Install the first bar and then lay shortcrete on it, to cover the nail.
·         Then, place head plate over it.
·         Repeat similar steps until the wall is completed.

Depending on the requirement construct either permanent or temporary wall. They make complex constructions like constructing flyovers etc to complete easily.

Benefits
·         There will be no limitations on the height.
·         It will be used to repair, alter and construct a new one.
·         Reduces unnecessary expenses.
·         Less noise disturbances.


It is necessary to construct the soil nail walls higher than the ground water to avoid future problems. Soil nail walls construction is the best economical as well as affordable method with a lot of benefits.

Monday, 16 January 2017

Different Types Of Soil Stabilization Techniques To Protect Properties

A new foundation construction or excavation often has soil stabilization as the foremost step. If the excavation or construction is happening in a less busy or barren land, the issue is not that manifold. However, if soil stabilization techniques are to be applied in a busy area, especially near an existing building, it is necessary to take measures to ensure that the adjacent foundation is not hindered in any way, Thus, to prevent the adjacent wall from collapsing or caving in to the excavation, it is important to involve foundation repair specialists into the scene.

Types of soil stabilization techniques

The most common form of soil stabilisation technique undertaken by foundation repair contractors is that of soil nailing. If stabilizing an excavated area, to ensure that the new basement foundation is formed and poured with ease, soil nails are driven into the side of the excavation. This is done by installing a screen of steel mesh and creating a temporary retaining wall by using concrete. Shotcrete-concrete that has been thinned and modified is used in cases of new excavation between two existing building.



Foundation repairs become difficult in densely populated areas as they can disrupt traffic, negatively impact adjacent building-commercial and residential, and damage landscape. It thus becomes extremely important to employ methods that cause the least issues in commercial zones and urban areas. There are few non-destructive foundation repair techniques apart from intrusive soil nailing as well.


Foundation repair specialists have few foundation repair techniques in their hands that do not require complete demolition and replacing of damaged foundation. These involve driving steel piers beneath damaged sections and connecting them with the foundation using specially designed brackets. The settled foundation sections are then raised to restore stability and close cracks. This eliminates the need of large excavation equipment and dumping trucks, thus avoiding major disruptions in busy areas.

Wednesday, 14 December 2016

Advantages And Disadvantages Of Ground Anchors And Soil Nails

Construction is not just creating or engineering structure. It requires lots of planning and efforts. It is not just a process of creating a stone body and changing the earth retention structure.

This structure has to install horizontally with the help of the rock anchors and Soil Nails. It has to be installed into a drilled hole and done with the help of plate washers. These ground anchors and soil nails are highly appreciated and used in many tunnels, shorings, and retaining walls.



Types

There are many types of rock anchors and soil nails. Let’s see what all are they?

·         Cement Grout Bonded Anchors

This is the first kind of Ground Anchors and Soil Nails that is designed especially for easy bonding of the anchor and rock. They are strong and robust in finish. They are highly appreciated for its finish and steel body.

·         Polyester Resin Anchors

This is next to the kind that is designed for the anchorage between the anchor bar and the rock. They are designed by the experts keeping the use of best kind of tools and ingredients. These anchors are fast and economical solutions in construction industries.

·         Mechanical Rock Anchors

Ground Anchors and Soil Nails of this kind is usually designed for expansion shell and used for developing the factions among the lock and the rock.

·         Mechanical Soil Anchors

This is kind of Ground Anchors and Soil Nails are designed for providing the pivoting such on the work with many specific depth applications.

Advantages and Disadvantages

There are many advantages and disadvantages of Ground Anchors and Soil Nails. They are as follows:

·         Ground Anchors and Soil Nails is a high-quality steel ligament, fitted with a focusing on mooring toward one side and methods allowing power exchange to the grout and shake on the flip side. The stone stay ligament is embedded into a readied gap of appropriate length and breadth, settled to the stone and pre-focused to a predefined compel.

·         Ground Anchors and Soil Nails come in numerous shapes and sizes. Post-tensioned shake stays effectively exchange stacking between the secured structure and its basic shake mass, accordingly bringing down the structure's focal point of gravity. Uninvolved Ground Anchors and Soil Nails have high ability to oppose occasion prompted malleable stacking, for example, stacking emerging from intermittent seismicity or regular lightness. Essentially on account of post-tensioned or latent shake grapples introduced to retrofit existing dams, the stone stays additionally upgrade the dams' imperviousness to sliding and toppling.

·         A stone stay comprises of a ligament and a harbour. The ligament can comprise of at least one strong steel bars, a solitary empty bar, or a heap of a few high pliable steel strands. The ligament dependably includes a bond length and frequently highlights a free focusing on length, over which a deboning component or process guarantees that the ligament is allowed to prolong without block amid tensioning.

So, get the best kind of anchors and nails for you to get best construction result. 

Thursday, 3 November 2016

Rock Anchors And The Way To Purchase Them

Rock anchors or rock bolts, as they are commonly known as, are important structural tools used in stabilising rocky slopes. While these have been traditionally associated for years with the shipping industry, rock bolts are now an intrinsic part of many industries that consider ergonomically designed operational designs to support unstable rock slopes.

Not only are these rockanchors an important tool for large industries, but many home projects use them as well. These simple devices help project managers to hold the soil foundation into place and resist any pressure. There are many types of rock bolts available in the market, depending upon the strength required and the material used. However, steel rock bolts have received positive reviews over the years. Here are some types of rock anchors that you would need to know before making a purchase.



·         The most common type of rock anchor is that of penetrator anchors. These resemble screws that are driven into the soil structure using a drill or an impact wrench, as per the project requirement. These screw type anchors are used across various industries for different projects.

·         Another type of anchor is an arrowhead one that is ground in the soil using a hammer and a drive rod. A cable is tied onto the arrowhead and is pulled into the ground to secure it firmly. This provides strong grip for any soil application that you would want to hold in place. Smaller version of these anchors is also useful in smaller home projects. They can be eerier screwed or driven down using requisite equipment.

·         One of the highly acclaimed rock anchors is a bitewing anchor. This safety anchor is a combination of a teeth structure and a wing anchor. This type of rock bolt boasts of stronger grip due to its jaw like structure its steel wings. It cuts and digs into the soil structure. This type of anchor is also more durable that other traditional types. Since the structures are intended to stay for long duration and resist any pressure, the high-end steel material used in these anchors make it weather resistant and increases the life of the project. This type of anchor also scores on the safety front. While with the smooth arrow wing anchor, chances of the strain overcoming the anchor are huge, proving disastrous for large projects, these winged anchors have a larger surface area that avoids such situation.


It is always advisable to buy rock bolts from reputed companies that are professional suppliers of such products. Contractors who come from established anchoring company and are experienced in using steel work are proficient for such kind of anchoring work. Get these products from companies that offer guarantee on these.