Municipality of Rotterdam

Municipality of Rotterdam

Riverbed and embankment protection

A classic fascine is a mattress made from brushwood (with no woven fabric underneath) with a layer of faggots on top. Fascine mattresses have been made this way for over a hundred years. They were used to protect beds and embankments against erosion caused by water flow. They have also been used in road construction over the past 70 years to prevent road subsidence. Van Aalsburg B.V. has knowledge and experience in manufacturing all kinds of constructions the traditional way: fascine mattresses for riverbed protection and cribs for embankment protection.

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Municipality of Rotterdam - “The way in which the employees of Van Aalsburg B.V. have worked deserves much credit.” Municipality of Rotterdam - “The way in which the employees of Van Aalsburg B.V. have worked deserves much credit.”
“The way in which the employees of Van Aalsburg B.V. have worked deserves much credit.”
“The way in which the employees of Van Aalsburg B.V. have worked deserves much credit.”

Constructing a fascine mattress

Van Aalsburg B.V. has all the required equipment in-house. No task too difficult or complex - we have the right equipment ready and waiting in-house. From the smallest task to the largest project. Our specialist work can only be carried out using the right equipment. And our employees are certified to operate our machinery.

We decide per job which equipment would be the most suitable to use. We transport all machinery on our own trucks. Our truck fleet is tailored to the work. Given our wide range of services, we have a considerable fleet. It could involve the transport of willow faggots (22 metres long) or brushwood. Or the use of crawler cranes or mobile cranes and crawler vehicles. From tractor to crane ship, from crawler vehicle to truck. The equipment is always available. Anywhere, even in the most remote places. No bridge is too far.

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Municipality of Rotterdam - Constructing a fascine mattress

Framework

Classic fascine mattresses are often big and enormously heavy. That is why they are made on pipes, which enables them to slide smoothly and undamaged into the water. A tugboat or crane ship can move the fascine mattress to the desired location using tow lines.

First of all, a framework of faggots is constructed: one faggot every metre for the first layer, and then a second layer at right angles to the first. Each intersection is secured with lashing rope, which also forms the basis for further tying the brushwood to the fascine mattress. The lashing rope contains sisal-polypropylene which tightens when wet.

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Municipality of Rotterdam - Framework
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