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V1.4 March 15

CONTENTS

Page

1.0

INTRODUCTION

1.1

Applications

1.2

Advantages

2.0 CONFORMITY

3.0 MARKINGS

4.0 DELIVERY

4.1

Packaging

4.2

Handling

4.3

Inspection

4.4

Storage

5.0

COMPONENTS

ASSEMBLY

5.1

Casing

sections

5.2

End

caps

5.2.1

Standard

cap

5.2.2

Grout

valve

cap

5.2.3

Grout

anchor

cap

5.2.4

Grout anchor with valve cap

5.2.5

Top

cap

5.2.6

Protection

5.3

Telescopic

joint

5.4

Repair

coupling

5.5

GXM 300I Combined settlement system

6.0

INSTALLATION

PLANNING

6.1

Installation considerations - all install types

6.2

Alignment

7.0 INSTALLATION - VERTICAL BOREHOLE

7.1

Borehole depth & cleanliness

7.2

Installation

overview

7.3

Buoyancy

7.4

Grouting

7.5

Grouting

methods

7.5.1

Pre-grouting with external grout pipe

7.5.2

Post-grouting with external grout pipe

7.5.3

Post-grouting with a

grout

valve

7.6

Installation

procedure 24

7.6.1

First

section

7.6.2

Subsequent sections

7.7

Orientation 28

7.8

Removing

temporary

casing

7.9

Protection

Содержание QJ

Страница 1: ...V1 4 March 15 I N S T R U C T I O N M A N U A L INCLINOMETER CASING QUICK JOINT QJ...

Страница 2: ...2 V1 4 March 15...

Страница 3: ...oint 13 5 4 Repair coupling 14 5 5 GXM 300I Combined settlement system 15 6 0 INSTALLATION PLANNING 16 6 1 Installation considerations all install types 17 6 2 Alignment 7 0 INSTALLATION VERTICAL BORE...

Страница 4: ...VERTICAL FILL 29 9 0 INSTALLATION HORIZONTAL 30 9 1 Preparation for installation 30 9 2 Within re bar cage 31 9 3 Dead end pulley 33 9 4 Within trench 33 10 0 SPECIFICATION 34 11 0 SPARE PARTS 35 12...

Страница 5: ...ovement It is available in standard 3 1 5 metre lengths with QJ Quick Joint flush couplings at each end which can be easily pushed together to provide a watertight self locking joint while maintaining...

Страница 6: ...covered by any CE directives and therefore CANNOT be CE marked 3 0 MARKINGS QJ Inclinometer Casing is labelled with the following information Manufacturers website address Manufacturers telephone num...

Страница 7: ...DELIVERY This section should be carefully read by all users of Geosense QJ Inclinometer Casing 4 2 Handling Whilst QJ inclinometer Casing is tough and durable care should be taken when handling so as...

Страница 8: ...manual is intended for all users of Geosense QJ Inclinometer Casing and is intended to provide guidance with respect to its installation It must be remembered that no two installations will be the sa...

Страница 9: ...the male end aligned with the keyway on the female end THE FEMALE END HAS A FACTORY GREASED O RING CARE SHOULD BE TAKEN TO PREVENT EITHER END OF THE CASING BECOMING CONAMINATED WITH DEBRIS WHICH WILL...

Страница 10: ...ut valve cap B Used in small boreholes where there is no room for external Tremie pipes The cap has a non return valve and perforated pipe fitted to the end cap 1 The grout pipe fitted on the bottom w...

Страница 11: ...Casing procedures are the same as pre viously described 5 2 3 QJ anchor cap C Used to control uplift due to buoyancy of water and grout The anchor is fitted with sprung loaded arms which grip to the s...

Страница 12: ...led it is recommended that a removable push fit top cap be fitted to protect the installation from the ingress of debris 5 2 6 Protection In order to protect the complete installation from damage it i...

Страница 13: ...ing Positions and quantities of telescopic couplers should be calculated in accordance with the ground conditions of each installation Telescopic joints are 700mm long and can accommodate 150mm of com...

Страница 14: ...1 cut off the damaged part of the Casing as square as possible and remove all burrs STEP 2 apply ABS solvent cement to the outside of the Casing and slide the repair coupling onto the Casing and allow...

Страница 15: ...e used as part of the GEO XM 300I magnetic settlement system An outer corrugated sleeve is used to isolate the inclinometer Casing from any settlement in the surrounding ground so eliminating ay axial...

Страница 16: ...tion and depth 2 Installation type borehole fill horizontal 3 Grouting method pre grout post grout internal tremie tube etc 4 Borehole location 5 Tools Obtain any tools necessary to carry out the inst...

Страница 17: ...shed out with clean water and checked that it is open to the bottom CHECK THE DEPTH BEFORE INSTALLING ENSURE DEPTH ALLOWANCE FOR GROUT VALVES IF USED 6 2 Alignment One set of grooves should be aligned...

Страница 18: ...f the Casing and lower into the borehole until the clamp rests on the top of the borehole 2 Attach clamp B to a suitable location on the next section of the Casing so it can be used to push down and s...

Страница 19: ...should be mixed to match the strength and deformation properties of the ground The design of the grout is the responsibility of the Site Engineer Grout equipment should comprise of the following Grout...

Страница 20: ...but are only a guideline and the installer should request the project specification from the Engineer Other compounds can be added to the grout mixture to alter its characteristics Expanding agents a...

Страница 21: ...ing 5 Install the Casing into the borehole to the specified depth ensuring that the Casing is filled with water to counteract any buoyancy and grout pressure 6 Lower a steel bar or drill rods to the b...

Страница 22: ...Add water to the Casing to counteract buoyancy and or grout pressure 4 Place the grout pipe to the bottom of the borehole and pump in grout 5 Lower a steel bar or drill rods to the bottom of the Casin...

Страница 23: ...ld be carried out when post grouting the borehole 1 Flush out the borehole with clean water and check the depth 2 Attach the grout valve end cap to the bottom of the Casing and install to the required...

Страница 24: ...ng as follows 7 6 1 First section STEP 1 Locate the peg on the first length of Casing into the slot on the bottom cap STEP 2 Push the bottom cap firmly onto the bottom of the first length of Casing un...

Страница 25: ...he hole is ready for the installation of the Casing lower the first section into the hole STEP 6 Hold the first length of Casing in place it may be easier to use a Casing clamp during installation 7 6...

Страница 26: ...ength securely line up the peg and location groove and push the second length firmly into the first length STEP 8 Secure the joint by applying adhesive cloth tape around the joint STEP 9 Lower the Cas...

Страница 27: ...revious instructions THE CASING MAY NEED TO BE FILLED WITH WATER TO COUNTERACT ANY BOYANCY STEP 11 Place the top cap onto the top of the Casing and tape into place to protect from debris entering the...

Страница 28: ...a suitable top cap is fitted to prevent debris from entering It is recommended that the installation be fully protected and secured if necessary using an appropriate cover and lock 7 8 Removing tempo...

Страница 29: ...of the Casing is generally as shown in section 7 0 A typical installation procedure is as follows 8 1 Excavate a small pit or drill a shallow borehole into solid ground 8 2 Fit the bottom cap to the...

Страница 30: ...ally are Figure 1 9 0 INSTALLATION Horizontal Typical installations where Casing is installed horizontally are Foundation slabs within reinforced concrete Underneath embankments within trench The firs...

Страница 31: ...em is employed Each Casing length should be held at both ends in roughly the correct position and then checked with a spirit level from the top of the Casing to the level marks on the rebar cage When...

Страница 32: ...male end into the keyway on the female end and pushing them together until the joint snaps together THE FAR END OF THE CASING SHOULD BE SUPPORED AT ALL TIMES STEP 6 repeat steps 1 to 6 for all length...

Страница 33: ...the trench ensuring verticality of one set of grooves and fix in place so the Casing cannot move during backfilling STEP 3 Cover Casing with 100mm of sand and compact evenly STEP 4 Backfill remainder...

Страница 34: ...ture range 20 C to 70 C Colour Orange other available on request JOINT 70mm Tensile strength 2000N Maximum dry string length 120 metres CASING DIMENSIONS Outside diameter 70mm 83mm Inside diameter 59m...

Страница 35: ...hich can be added if required and are as follows Extra lengths of Casing 3m 1 5m Telescopic joints Standard bottom cap Bottom cap with anchor Bottom cap with anchor grout valve Bottom cap with grout v...

Страница 36: ...im See Limited Warranty Conditions This covers defects which arise as a result of a failure in design or manufacturing It is a condition of the warranty that the Geosense QJ Inclinometer Casing must b...

Страница 37: ...d to be defective upon inspection at the factory Shipment of defective part or parts to the factory shall be at the expense of the Purchaser Return shipment of repaired replaced part or parts covered...

Страница 38: ...8 V1 4 March 15 Geosense Ltd Nova House Rougham Industrial Estate Rougham Bury St Edmunds Suffolk IP30 9ND England Tel 44 0 1359 270457 Fax 44 0 1359 272860 email info geosense co uk www geosense co u...

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