Shoring Systems (krings)
Quick and easy to use: krings trench boxes.
Our edge-supported shoring systems from krings are particularly versatile. They take up little space during storage and transport and can be very quickly and simply assembled at the construction site.
The little KVL steel box is ideal for inner-city areas, the sturdy KS 60 is recommended for inner-city sewer construction projects, and the KS 100 is designed for use at greater depths. By means of an adapter, the struts developed for the KS 60 and KS 100 boxes can also be used on the KVL. The shoring struts are compatible with the box and sprung-socket slide-rail systems.
The small steel box designed specifically for inner city shoring jobs is ideal for the laying and modernisation of gas and water pipes as well as telephone lines, power cables, and for the creation of service lines. Thanks to their low weight, the boxes are suitable for handling with small-scale excavators.
Sturdy struts, which can be adjusted to the desired trench width and quickly replaced (secured with pins and retaining clips), and sling lugs on the four corner posts simplify the handling of this type of shoring. Desite their low weight, the assembled boxes are robust and suitable for installation by placement in the ready-dug trench.
With the aid of an adapter, the 98 x 550 and 98 x 700 spindles can also be used on the KS 60 and KS 100 boxes.
- Shoring length: 2.00 m – 3.50 m
- Height base unit: 1.50 m / 2.00 m / 2.40 m
- Height base unit: 0.50 m / 1.00 m
- Pipe culvert height: 0.72 m / 0.97 m / 1.30 m
- Weight: 527 kg – 1,123 kg
The stable KS 60 trench box is configured for high loads, low weight and high safety – features that make this lightweight box the ideal shoring for open terrain and medium-sized inner-city sewer construction projects. In certain cases and subject to consultation with the manufacturer’s technical department, higher loads are possible at certain shoring depths.
The struts are compatible with those of the KS 100 boxes. The loads are taken up by the articulated sprung sockets between the struts and the shoring panel. Small excavators can therefore be used for quick and easy box installation and removal using the placement and dig-and-push methods.
- horing length: 2.00 m – 3.50 m
- Height base unit: 2.00 m / 2.40 m
- Height base unit: 1.00 m / 1.30 m
- Pipe culvert height: max. 1.355 m
- Weight: 1,185 kg – 1,565 kg
krings KS 100
The KS 100 is the world’s most frequently used trench box and is compatible with a wide range of shoring tasks. Its straightforward use in countless variations in terms of trench width, depth of use, lengths available on site and practical vertical pipe clearances make all settings possible within the maximum sizes. The shoring struts of the KS 100 are compatible with those of KS 60 boxes.
Operations with the edge-supported compact element are simple, inexpensive and safe. There is no negative environment impact caused by driving or vibration. The boxes, often used in urban locations, can be installed by placement in the excavated trench or via the dig-and-push method.
- Shoring length: 2.00 m – 4.50 m
- Height base unit: 2.40 m / 2.60 m
- Height base unit: 1.30 m
- Pipe culvert height: max. 1.56 m
- Weight: 1,399 kg – 2,715 kg
The KS 100 Eck was designed for the easy and cost-effective shoring of circular and masonry manholes. Based on the KS 100 standard box, it has extra panels at the corners as a safeguard against soil pressure, e.g. when constructing manholes.
The sizes have been selected to ensure that conventionally available circular manholes can be handled up to a diameter of 3 m. The maximum pipe culvert height for the installation of supply and discharge lines also matches the usual dimensions.
- Shoring length: 2.50 m – 4.00 m
- Height base unit: 2.40 m / 2.60 m
- Height base unit: 1.40 m
- Pipe culvert height: max. 1.56 m
- Shoring depth: max. 4.00 m
krings piling frame element BLU
Just like the large DKU piling frame element, the smaller BLU variant is a low-deformation, universal and cost-effective trench shoring method particularly suitable for inner-city applications with pipes and cables crossing the trench. The piling frame element that serves as the upper guide for the piles introduced vertically into the ground is ideal for the laying of gas and water pipes and other service lines. In the dig-and-push process, the digger pushes the piles into the ground immediately after excavation, causing little vibration.
The assembly and prior adjustment of the piling frame element are similar to that of edge-supported shoring systems. The support brackets can be used in two different ways. For use in the trench, the support brackets are attached to the top of the element. If used outside the trench, the brackets are attached to the bottom of the element. krings spindle systems are used as supporting elements.
- Shoring length: 2.51 m
- Height sheet pile element: 0.72 m
- Pipe culvert length: max. 2.17 m
- Shoring depth: max. 2.4 m
KRINGS Universal DKU piling frame element
The DKU element can be put to varied uses when combined with supplementary components. The slide-rail adapter permits its use in E+S single slide-rail linear shoring, KRINGS single slide-rail parallel shoring and in single corner slide-rails. In addition, the corner shoring adapter can be used for creating a closed (4-sided) shaft. A further application is the installation of the elements in series.
- Shoring length: 2.27 m / 3.81 m
- Height sheet pile element: 1 m
- Pipe culvert length: max. 3.35 m
- Shoring depth: variable
Our thyssenkrupp aluminum lightweight shoring is the ideal solution for construction sites in cities and urban centers. The modular system is made of aluminum and closes the gap between steel systems, which are often too heavy and unwieldy, and timber planks.
The range is divided into several groups in order to cater for varying specific requirements. The modular system can be combined and supplemented as required.
The lightweight sections (max. 42 kilograms) can be brought to the site with a light commercial vehicle or car trailer. The aluminum boards can then be quickly connected by hand on site using aluminum couplings and struts to form a shoring unit of the desired depth. All conventional trench widths, depths and degrees of difficulty (transverse electrical lines, tight working areas) can be handled using the standardized thyssenkrupp aluminum lightweight shoring, even without heavy equipment.
- Installation depth: max. 6 m
- Trench width: max. 2.26 m
- Weight: 43 kg (per component)
krings Flex shoring is an environmentally friendly alternative to aluminum lightweight shoring and is ideal for the laying of gas and water supply lines and other services down to depths of about 1.5 m and for pipe clearances of up to 0.6 m.
Together with basic and supplementary elements, the shoring can be adapted to various pipe culvert heights. The components are easy to mount on top of each other and can be connected with a coupler. The steel corner posts belonging to the system are simply bolted onto the ends of the timber boards and, with the aid of a cross member, will take the standard KVL spindles. The timber boards are provided by the customer in various lengths and thicknesses.
- Shoring/board length: 2.00 m / 2.25 m / 2.50 m / 3.00 m
- Element height: 0.50 m /1.50 m
- Pipe culvert height: 0.22 m / 0.60 m
- Board thickness: 5 cm / 6 cm / 7 cm
- Shoring depth: max. 2.00 m
The mobile trench box for open terrain
In addition to the krings trench boxes designed for the familiar processes of placement in the finished trench or dig-and-push, there are also Drag Boxes. This type of trench box is widely used in the USA, for instance, and is enjoying growing popularity in Germany because of its many advantages for certain projects and conditions.
The Drag Box has cutting edges at its front end (in the pulling direction). The dimensions of the panel are adapted to the needs of the project. Due to its especially rugged construction, large pipe clearances are also possible. The dimensions are limited only by the performance range of the hydraulic excavator employed.
The panel length should offer space for twice the pipe length, i.e. the average length of the Drag Box is approx. 4.0 m to 5.0 m. As it is pulled by an excavator in the direction of sewer installation, the usual processes of placement and lowering, storage at the side of the trench and re-placement can be dispensed with. The Drag Box is shifted as the trench advances, i.e. the excavator employed shifts the box into its new position after pipe-laying and partial backfilling.
The main applications are sewer construction projects in open terrain. This type of shoring is particularly cost-effective if there are no or few pipes or cables crossing the trench. Pipes are laid solely within the protective confines of the Drag Box, so staff working in the trench enjoy maximum safety.
- Shoring length: 4,60 m - 7,20 m
- Height base unit: 3,00 m / 3,50 m
- Pipe culvert height: 1,50 m / 1,90 m
- Weight: 2600 kg - 4506 kg
The economical construction for pipelines and manholes
This system is well overthought and in conjunction with the KS 60 ideal for creating pipelines and manholes. The dimension of this box or choosen to be compatible with the dimensions of catch basins and small pits.
- Shoring length: 2,00 m - 3,00 m
- Height base unit: 2,00 m / 2,40 m
- Height top unit: 1,00 m / 1,30 m
- Pulp culvert heigth: max. 1,355 m
- Weight: 1345 kg - 1695 kg
This rapid, cost-cutting shoring system (also known to experts as vertical shoring) is the inner-city complement to proven large-area steel shoring. Particularly in sections frequently crossed by pipes and cables, this type of shoring has a large number of economic advantages combined with its extreme ease of use. With dig-and-push installation by a digger at the end of the trench, efficient operations are assured even in busy streets and confined spaces.
The use of existing shoring components from the rest of the krings product range helps to cut costs considerably. The strut elements are compatible with large-area steel shoring. Its combination with large-area shoring in sections without crossing pipes and cables is also highly economic. For this purpose, the frame panels are fitted at the ends with guide profiles for insertion in slide-rails.
- Shoring length: 2,83 m - 4,07 m
- Height base unit: 0,48 m / 1,00 m
- Number of sheet piles: 14 Stck. KD 4 / KD 6
- Pipe culvert length: max. 3,65 m
- Shoring depth: max. 2,30 m / 6,00 m
The krings DPV pressed-pile shoring system was designed for the construction of new and modernisation of existing sewers and drains in narrow streets with buildings in the immediate vicinity. It can be used safely and inexpensively in all soils. Unlike conventional, linear sewer trenches, the DPV method involves a moving trench which is only open at the point where the sewer pipes are actually being laid.
This point-based approach reduces the volume of excavated soil considerably and minimizes the risk of subsidence. A shaft shored on all sides and with the length of the DPV unit is excavated down to the base of the sewer trench. The sheet piles are hydraulically pressed in while the trench is being dug. The trench walls are securely shored with sheet piles and walers. If the trench is crossed by cables or pipes, the sheet pile in question is locked in position above the cable or pipe while the other sheet piles are pressed past the obstacle into the ground.
- Shoring length: 5.50 m / 6.70 m
- Shoring width: 1.00 m – 3.00 m
- Shoring depth: 4.50 m / 5.50 m
- Pressing force: 7.65 t / 9.00 t
- Number of sheet piles: 14 pcs. / 18 pcs.