CN104390868A - Fast detector for strength of mortar and use method thereof - Google Patents
Fast detector for strength of mortar and use method thereof Download PDFInfo
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- CN104390868A CN104390868A CN201410715438.8A CN201410715438A CN104390868A CN 104390868 A CN104390868 A CN 104390868A CN 201410715438 A CN201410715438 A CN 201410715438A CN 104390868 A CN104390868 A CN 104390868A
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Abstract
The invention discloses a fast detector for the strength of mortar and a use method thereof. The fast detector comprises four parts, i.e., a rack system, a power system, a penetration system and a measuring and calculating system. The use method comprises the four steps of material flattening, installation and preparation, detection, and measurement and calculation. The fast detector is characterized in that a conical measuring head is adopted for penetration, the diameter of the circle on the bottom surface of a conical hole knocked out by the conical measuring head in the material in the measuring and calculating process is measured to be converted into the strength of the material. The fast detector and the use method disclosed by the invention have the advantages that since the measurement of diameter is intuitive and convenient, data measured by the conical measuring head is accurate and stable, the detection orientation and the detection angle are not limited, and the technical effect of measuring the strength of mortar in a safe, convenient, fast and multiangular manner is achieved.
Description
Technical field
The present invention relates to a kind of mortar strength investigating instrument and using method thereof, particularly a kind of can convenient fast, all-dimensional multi-angle measures intensity detector and the using method thereof of mortar mortar strength.
Background technology
Building industry is one of mainstay industry of China, and masonry structure engineering is China's at present one of version the most widely.Masonry mortar intensity is the important parameter that masonry project detects, and is construction quality, safety, the important evidence in life-span of evaluating masonry project.
Building mortar intensity detection is divided into detection and working-yard in laboratory to detect two kinds, and Site Detection extensively uses because it can truly reflect mortar strength in masonry project.Method of powder actuated shot is the common method of mortar strength Site Detection.
Existing method of powder actuated shot mortar strength investigating instrument device has a lot, and for injection type mortar strength detector (as Chinese patent ZL94219060.2, ZL96205094.6, ZL01201111.8 etc.), these instruments all adopt surveys nail as penetrator.Facts have proved, these instruments have the following disadvantages:
1, survey the meticulous injection of nail excessively dark, get nail difficulty.For ZL96205094.6, survey nail length between 20-50mm, survey nail diameter between 2.5-6.0mm, impulsive force 300-950N, facts have proved, it is excessively dark that these injection type mortar strength detectors survey the meticulous injection of nail, and survey nail easily causes hole wall breakage and mortar chip to produce and filling hole wall in taking-up process, causes getting and follow closely difficulty.
2, depth of penetration measures difficulty.Method of powder actuated shot is adopted generally to need to measure nail depth of penetration with special measuring tool, the compressive strength of the surveyed mortar that then converted by the relation of the survey of setting up in advance nail depth of penetration and mortar compressive strength.This " special measuring tool " is generally employing and reinserts gaging hole measurement with the spike measuring tool surveying the same specification of nail, reads the gaging hole degree of depth with vernier caliper or more advanced digital display device.Such measurement operation is loaded down with trivial details, need before measuring to blow off process to be removed by hole intraclast to gaging hole, and needing careful gaging hole of being put into by measuring tool also to try one's best collision free hole wall in order to avoid cause hole wall collapse, these all result in depth of penetration and measure difficulty.
3, accuracy of measurement is on the low side.Because mortar strength is relatively low; when using measuring tool to remeasure; usually measuring tool can be caused can not to measure gaging hole well because of undue force; conference of exerting oneself causes measuring tool to be pressed into mortar in gaging hole to cause gaging hole to deepen and cause fathoming and become large and institute surveys low strength, and little meeting of exerting oneself causes measuring tool press-in deficiency to cause surveyed low strength.And survey nail easily causes hole wall breakage and mortar chip to produce and filling hole wall in taking-up process, also can affect the measurement of follow-up measuring tool.On the other hand, meticulous owing to surveying nail, affect too responsive in penetration process to external world, cause surveyed data fluctuations excessive.
In sum, at present existing method of powder actuated shot mortar strength investigating instrument device exist many deficiencies and and have a strong impact on mortar situ strength and measure.
Summary of the invention
The invention provides a kind of mortar strength fast detector, its principle is: under Standard piercing energy, there is corresponding relation in the degree of depth of conical gauge head injection institute test material and the intensity of material, and conical gauge head knocking-on round taper hole of meeting in institute's test material, there is corresponding relation in this round taper hole bottom surface circular diameter and depth of penetration, may correspond to by measuring round taper hole bottom surface circular diameter the intensity conversing institute's test material.This detector comprises machine frame system, power system, injection system and calculating system four part.
Wherein, machine frame system refers to the main stand machinery mount of detector involved in the present invention, and power system and injection system are fixed and link together by headspace, provides gripping and protective device so that safe and portable operation simultaneously.
Wherein power system refers to as injection system provides the device of injection institute energy requirement, and, this system also should in each testing process release standard energy.Particularly, the power source of this power system can be Compress Spring, also can be other forms such as electronic, pneumatic, in each testing process, release standard energy also can change according to the difference of the conical gauge head of the intensity of surveyed mortar and injection system, but for possessing comparability and follow-up making intensity correspondence table, to release energy must be standard number, form is to make depth of penetration and intensity have the corresponding conversion relation of standard at every turn.
Wherein injection system refers to power system to release energy and is converted into penetrator kinetic energy, and drive the conical gauge head of penetrator to clash into measure and monitor the growth of standing timber and expect and form the round taper hole corresponding with the surveyed strength of materials.It should be noted that, detector provided by the present invention improves penetrator by the drawback of avoiding background technology to be carried, injection system not adopts the form surveying nail injection, but adopt conical gauge head to clash into institute's test material sample and on material the conical bore of knocking-on different bore different depth, the degree of depth of conical bore, bottom surface circular diameter with the intensity of expecting of measuring and monitoring the growth of standing timber corresponding.
Wherein calculating system refer to the degree of depth, the bottom surface circular diameter clashing into the conical bore that formed of material by measuring conical gauge head converse the intensity of material of measuring and monitoring the growth of standing timber.It should be noted that, for avoid background technology carry measurement difficulty drawback, consider that the degree of depth and the bottom surface circular diameter of the conical bore that measurement conical gauge head shock material is formed have correlativity, the measurement parameter of detector provided by the present invention is no longer the degree of depth, and change the bottom surface circular diameter measuring conical bore into, measure diameter and the instrument of vernier caliper and so on can be adopted to measure.It is evident that, compare the degree of depth, the bottom surface circular diameter measuring conical bore is more convenient and accurate.
In addition, the invention provides the using method of this mortar strength fast detector.This detector using method comprises machine frame system, power system, injection system and the tetrameric synergy of calculating system.Specifically, this detector using method comprises the following steps:
One, material leveling.Material surface to be flattened before the start of the measurement, produce an area and enough place the plane of detector size for strength test.It should be noted that in flattening course, extruding institute of can not too exerting oneself measure and monitor the growth of standing timber material in case to survey intensity bigger than normal.In addition, this leveling plane can be horizontal direction, may also be vertical direction, also can be other angle.
Two, preparation is installed.Select suitable power system and injection system according to the strength of materials, power system and injection system unit are installed and is fixed on machine frame system, thus detector is assembled into one.Then operational power system, produces and stores mechanical injection institute energy requirement, completing preliminary work.
Three, detect.Holding detector makes it perpendicular to leveling plane, and detector is tightly propped up material leveling plane, start power system, storage power is discharged, under the effect of releasing energy, injection system flattens planar impact and a knocking-on conical bore to material, is then removed by detector.
Four, calculate.Measure round taper hole bottom surface circular diameter with vernier caliper and so on measuring tool, then according to this diameter with the intensity corresponding relation of expecting of measuring and monitoring the growth of standing timber convert the intensity level of expecting of measuring and monitoring the growth of standing timber.It should be noted that, can in laboratory in advance by round taper hole bottom surface circular diameter with the intensity corresponding relation of expecting of measuring and monitoring the growth of standing timber find out and be depicted as and show so that the view of the scene.It should be noted that, when detector operates, injection system gauge head placement direction is different, corresponding round taper hole bottom surface circular diameter with measure and monitor the growth of standing timber the intensity corresponding relation of expecting can be different, need to select different mapping tables according to different placement directions.
It is evident that, measuring diameter more intuitively more convenient than fathoming, and conical gauge head volume comparatively to survey nail much larger, in testing process, anti-ectocine ability is stronger, to survey data more stable and accurate.And only require when detector involved in the present invention is called for short the strength of materials that detector is perpendicular to leveling plane, the angle of leveling plane is also unrestricted, can be horizontal direction also can be vertical direction, can be more other angles.
In sum, the present invention can realize the technique effect that safe and convenient is quick, all-dimensional multi-angle measures mortar strength.
accompanying drawing
Fig. 1, detector structural representation involved in the present invention.
Wherein, 1, frame main body; 2, power box; 3, injection bar; 4, conical gauge head; 5, cushion block; 6, gauge head bearing; 7, power excites button; 8, start button is detected; 9, handle.
Fig. 2, injection system of the present invention clash into institute measure and monitor the growth of standing timber material formation conical bore schematic diagram.
Wherein, 4, conical gauge head; 10, round taper hole; 11, round taper hole bottom surface circular diameter; 12, detected object.
Embodiment
Will be explained in greater detail below now a kind of optimal way, it should be noted that, the present invention is not only limited to this kind of embodiment, on the contrary, the present invention also covers in involved right spirit and scope of the invention in various substitute modes, remodeling, equivalent way and other embodiments.
According to the preferred embodiment of the present invention, as shown in Figure 1, detector involved in the present invention comprises following major part: 1, frame main body; 2, power box; 3, injection bar; 4, conical gauge head; 5, cushion block; 6, gauge head bearing; 7, power excites button; 8, start button is detected; 9, handle.Wherein, frame main body 1, cushion block 5 and handle 9 form machine frame system, and power box 2, power excite button 7, detection start button 8 forms power system, and injection bar 3, conical gauge head 4 and gauge head bearing 6 form injection system jointly.Power box 2 can be machine power, also can be the various ways such as pneumatic or electronic, preferred compressed spring.Calculating system is made up of measuring tool and conversion relation table, and measuring tool can be vernier caliper, conversion relation table need carry out theory deduction and laboratory test determine.
The preferred using method of one of the present invention can be:
One, material leveling.By detected object material 12 surface evening, an area to be produced and enough places the plane of detector size for strength test before the start of the measurement.
Two, preparation is installed.Select suitable power box 2 and the conical gauge head 4 of injection system according to the strength of materials, install 2 and 4 and be fixed on machine frame system frame main body 1, thus detector is assembled into one.Then press power and excite button 7, power box 2 produced and stores mechanical injection institute energy requirement, taking off assistor and namely complete preliminary work.
Three, detect.Hold handle 9 hold detector make its perpendicular to leveling plane, detector cushion block 5 is tightly propped up detected object material 12 and flattens plane, press and detect start button 8, by the fault offset that power box 2 stores, under the effect of releasing energy, injection system injection bar 3 and conical gauge head 4 flatten planar impact and a knocking-on round taper hole 10 to detected object material 11, are then removed by detector.
Four, calculate.Measure round taper hole 10 diameter with vernier caliper and so on measuring tool, then according to round taper hole bottom surface circular diameter 13 with the intensity corresponding relation of expecting of measuring and monitoring the growth of standing timber find out the intensity level of expecting of measuring and monitoring the growth of standing timber.In addition, to need in laboratory in advance by round taper hole bottom surface circular diameter with the intensity corresponding relation of expecting of measuring and monitoring the growth of standing timber find out and be depicted as and show so that the view of the scene.It should be noted that, when detector operates, injection system gauge head placement direction is different, the diameter of corresponding conical bore with measure and monitor the growth of standing timber the intensity corresponding relation of expecting can be different, need to select different mapping tables according to different placement directions.
In view of measurement diameter is more intuitively more convenient than fathoming, and conical gauge head volume comparatively to survey nail much larger, in testing process, anti-ectocine ability is stronger, to survey data more stable and accurate; Again on the one hand, leveling plane can be multi-angle, and detector volume is little, can realize all-dimensional multi-angle thus and detect.
Visible detector involved in the present invention can realize the technique effect that safe and convenient is quick, all-dimensional multi-angle measures mortar strength.
Claims (3)
1.
oneplant mortar strength fast detector, this detector is made up of machine frame system, power system, injection system and calculating system four part.
2. as claimed in claim 1, the feature of mounting system is the main body rack forming detector, and power system and injection system are fixed and link together by headspace, provides gripping and protective device so that safe and portable operation simultaneously; The feature of power system is the standard energy needed for the injection of injection system with mechanical; The feature of injection system is that injection gauge head adopts conical gauge head, and adopt under standard energy effect conical gauge head clash into institute's test material sample and on material knocking-on round taper hole, and this round taper hole bottom surface circular diameter with the intensity of expecting of measuring and monitoring the growth of standing timber there is corresponding relation; The feature of calculating system be by measure conical gauge head clash into round taper hole bottom surface circular diameter that institute's test material sample formed converse the intensity of material of measuring and monitoring the growth of standing timber.
3. a using method for mortar strength fast detector, comprising: material leveling, installation prepare, detect, calculate four steps; Wherein, the feature of material screed step is material surface to be flattened before the start of the measurement, produces an area and enough places the plane of detector size for strength test; Install the feature of preparation process to be select suitable power system and injection system according to the strength of materials and be assembled into one, then operational power system, produces and stores injection institute energy requirement; The feature of detecting step is that injection system flattens planar impact and a knocking-on round taper hole to material under the effect of releasing energy; The feature of measuring and calculating step is to measure round taper hole bottom surface circular diameter with vernier caliper and so on measuring tool, then according to this diameter with the intensity corresponding relation of expecting of measuring and monitoring the growth of standing timber converse the intensity level of expecting of measuring and monitoring the growth of standing timber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410715438.8A CN104390868A (en) | 2014-12-02 | 2014-12-02 | Fast detector for strength of mortar and use method thereof |
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| CN201410715438.8A CN104390868A (en) | 2014-12-02 | 2014-12-02 | Fast detector for strength of mortar and use method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483273A (en) * | 2016-11-28 | 2017-03-08 | 重庆华耀混凝土有限公司 | A kind of concrete NDT device in abnormal work environment |
| CN106596300A (en) * | 2017-02-09 | 2017-04-26 | 中建土木（北京）工程检测鉴定中心 | Device for detection of material strength by use of pendulum hammering method and method for detection of material strength |
| CN109085051A (en) * | 2018-08-06 | 2018-12-25 | 嘉兴中诚工程检测有限公司 | Injection type mortar strength detector |
| CN113533092A (en) * | 2021-08-31 | 2021-10-22 | 黑龙江省水利科学研究院 | Method for testing unconfined compressive strength of solid structure of cemented soil on site |
-
2014
- 2014-12-02 CN CN201410715438.8A patent/CN104390868A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483273A (en) * | 2016-11-28 | 2017-03-08 | 重庆华耀混凝土有限公司 | A kind of concrete NDT device in abnormal work environment |
| CN106596300A (en) * | 2017-02-09 | 2017-04-26 | 中建土木（北京）工程检测鉴定中心 | Device for detection of material strength by use of pendulum hammering method and method for detection of material strength |
| CN109085051A (en) * | 2018-08-06 | 2018-12-25 | 嘉兴中诚工程检测有限公司 | Injection type mortar strength detector |
| CN109085051B (en) * | 2018-08-06 | 2021-02-09 | 嘉兴中诚工程检测有限公司 | Injection type mortar strength detector |
| CN113533092A (en) * | 2021-08-31 | 2021-10-22 | 黑龙江省水利科学研究院 | Method for testing unconfined compressive strength of solid structure of cemented soil on site |
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Application publication date: 20150304 |
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