Product terminology

Static splitting agent – meaning and use

Static splitting agent is the term structural and geotechnical engineers use. „Static“ is the key word: the load rises slowly and produces no dynamic effects.

What does the term mean?

A static splitting agent generates pressure that increases over hours. From an engineering point of view the load is static, so no shock wave, no vibration and no dynamic amplification occur in nearby structures.

The product is the same as an expansive demolition agent; the name simply describes the load case.

Where does the name come from?

Structural engineering distinguishes static from dynamic loads. Blasting is dynamic; expansion pressure is not, and the terminology follows that distinction.

The wording is also a bridge to European terms such as „statisches Sprengen“ used in German-speaking engineering practice.

Where is the term used?

Used in structural assessments, vibration reports and geotechnical documentation.

Helpful when a client or insurer needs proof that neighbouring structures are not exposed to dynamic loads.

  • Structural and geotechnical reports
  • Vibration monitoring documentation
  • Insurance and party wall matters
  • Engineering method statements

Is the term technically unambiguous?

Precise for engineers, unfamiliar to most site crews. „Static“ correctly describes the load, but says nothing about the chemistry.

Pair it with expansive demolition agent when the audience is mixed.

How does the product work?

Pressure builds up over hours and is transferred to the borehole wall as a quasi-static load. Neighbouring structures see no impulse, only the gradual failure of the element being removed.

This is why the method is accepted where vibration limits would rule out blasting or hammering.

Typical applications

  • Work next to sensitive or historic structures
  • Sites with strict vibration limits
  • Demolition above or beside tunnels and services
  • Partial removal of load-bearing elements
  • Underpinning and structural alterations

BETONAMIT® and this term

BETONAMIT® acts as a static splitting agent: the pressure rises over hours, so measurements next to the work usually show no relevant vibration.

Technical values and reaction curves are available from KUBATEC BMT AG – see the BETONAMIT® product page.

Frequently asked questions

+Why is the method called static?

Because the pressure rises slowly and acts as a static load, unlike the dynamic impulse of a blast or a hammer.

+Does it cause vibration in adjacent buildings?

No relevant vibration. That is the main reason the method is chosen next to sensitive structures.

+Is static splitting the same as static blasting?

Yes, the terms are used interchangeably in engineering documents for the same product group.

Questions about the right term or the product?

We have advised planners, contractors and distributors on non-explosive demolition for over 50 years – from drill pattern to pack size.